BBC Earth

Voyage across a different sort of wilderness, where tropical reefs and jungle-covered islands are home to stunning biodiversity; Explore an evolutionary hot spot in New Guinea and take an astonishing swim with a gentle, seven-meter-long whale shark.

Ken travels to the south coast of Ireland searching for fin whales; these creatures are the second-largest animals to have ever lived.

The space telescope Hipparcos led to a discovery that sent shockwaves throughout the astronomical community: a star appearing to be older than the universe itself.

The same 92 elements that exist on Earth can be found throughout the cosmos.

Dig up ancient secrets hiding in the shadows on the far side of the moon. Track down some rogue planets that drift aimlessly through the dark expanse of space, then find out how Venus transformed from a blue planet into a scorching, toxic inferno.

Journey from the lava ramparts to its fiery heart, discovering how this place became one of the most important areas of biodiversity in the world.

Alaskans are forced to embrace their inner warrior as winter deepens.

Steve joins forces with shark scientist Mauricio Hoyos to discover where shark mothers give birth and help protect a new generation of these ocean giants in the Eastern Pacific.

Journey from the lava ramparts to its fiery heart, discovering how this place became one of the most important areas of biodiversity in the world.

Alaskans are forced to embrace their inner warrior as winter deepens.

Steve joins forces with shark scientist Mauricio Hoyos to discover where shark mothers give birth and help protect a new generation of these ocean giants in the Eastern Pacific.

Journey from the lava ramparts to its fiery heart, discovering how this place became one of the most important areas of biodiversity in the world.

Alaskans are forced to embrace their inner warrior as winter deepens.

Steve joins forces with shark scientist Mauricio Hoyos to discover where shark mothers give birth and help protect a new generation of these ocean giants in the Eastern Pacific.

The search for the building blocks of life on Mars; an attempt to prove life was, or is, possible on the red planet.

Hope and Barry travel to Texas where not everyone agrees on how to help wildlife.

Examine strange relics forgotten by time; visit a perturbing circle of stone in the Golan Heights; a mountain of headless statues in Turkey; a castle left to crumble in the Saudi Arabian desert; a time-worn secret in the wilds of Peru.

How the earth's atmosphere came to be; the one man to have braved the atmosphere's upper reaches and survived.

Hope and Barry travel to Texas where not everyone agrees on how to help wildlife.

Examine strange relics forgotten by time; visit a perturbing circle of stone in the Golan Heights; a mountain of headless statues in Turkey; a castle left to crumble in the Saudi Arabian desert; a time-worn secret in the wilds of Peru.

How the earth's atmosphere came to be; the one man to have braved the atmosphere's upper reaches and survived.

Hope and Barry travel to Texas where not everyone agrees on how to help wildlife.

Dara looks into the formation of the Sun and heads to Texas to witness a solar eclipse.

Sir David Attenborough explores the dangerous frontiers created by the world's coasts, where animals fight for survival amid constant change; there are some unexpected residents on Namibia's Skeleton Coast.

Zac and Darin get down and dirty as they explore a natural approach to farming through regenerative agriculture and organic food production.

Paddy visits the McCain factory near Scarborough to reveal how it cuts, fries and freezes 80 million chips a day; Cherry explores malt vinegar; Ruth tucks into fish and chip origins.

Journey from the lava ramparts to its fiery heart, discovering how this place became one of the most important areas of biodiversity in the world.

Alaskans are forced to embrace their inner warrior as winter deepens.

Steve joins forces with shark scientist Mauricio Hoyos to discover where shark mothers give birth and help protect a new generation of these ocean giants in the Eastern Pacific.

Leopard Mutima's relationship with her mother is at breaking point, and as the balance of power in Nsefu tips towards the lions, the hyenas and wild dogs fight to raise their young.

A glimpse into an African waterhole's bustling nightlife where summer's heat changes animals' drinking and cooling-off patterns and a new predator is drawn by increased nocturnal activity.

Leopard Mutima's relationship with her mother is at breaking point, and as the balance of power in Nsefu tips towards the lions, the hyenas and wild dogs fight to raise their young.

A glimpse into an African waterhole's bustling nightlife where summer's heat changes animals' drinking and cooling-off patterns and a new predator is drawn by increased nocturnal activity.

Allison and Barry try to shampoo a porcupine; a returning patient is released.

Leopard Mutima's relationship with her mother is at breaking point, and as the balance of power in Nsefu tips towards the lions, the hyenas and wild dogs fight to raise their young.

A glimpse into an African waterhole's bustling nightlife where summer's heat changes animals' drinking and cooling-off patterns and a new predator is drawn by increased nocturnal activity.

How the earth's atmosphere came to be; the one man to have braved the atmosphere's upper reaches and survived.

Traveling to San Diego, Hope and Allison look to learn how to handle huge caseloads and dangerous animals.

Confront objects that make no sense; spot a spinning island in an Argentinian marsh, a colossal triangle stuck in the Arizona desert, mysterious multicolored pools across northern Ethiopia and a huge human figure hidden in the Australian outback.

The Cassini-Huygens spacecraft has been sending images and a wealth of scientific revelations from Saturn's orbit since 2004.

Traveling to San Diego, Hope and Allison look to learn how to handle huge caseloads and dangerous animals.

Confront objects that make no sense; spot a spinning island in an Argentinian marsh, a colossal triangle stuck in the Arizona desert, mysterious multicolored pools across northern Ethiopia and a huge human figure hidden in the Australian outback.

The Cassini-Huygens spacecraft has been sending images and a wealth of scientific revelations from Saturn's orbit since 2004.

Traveling to San Diego, Hope and Allison look to learn how to handle huge caseloads and dangerous animals.

Alaskans are forced to embrace their inner warrior as winter deepens.

Simon focuses on the most incredible wildlife stories from his adventures.

Voyage across a different sort of wilderness, where tropical reefs and jungle-covered islands are home to stunning biodiversity; Explore an evolutionary hot spot in New Guinea and take an astonishing swim with a gentle, seven-meter-long whale shark.

Make your way through three of the world's most extreme environments: the salt flats of Bolivia, the Brazilian Pantanal and Paraguay's Chaco Forest; face down an apex predator, witness an economic miracle and meet the resilient Ayoreo people.

Simon focuses on the most incredible wildlife stories from his adventures.

Voyage across a different sort of wilderness, where tropical reefs and jungle-covered islands are home to stunning biodiversity; Explore an evolutionary hot spot in New Guinea and take an astonishing swim with a gentle, seven-meter-long whale shark.

Make your way through three of the world's most extreme environments: the salt flats of Bolivia, the Brazilian Pantanal and Paraguay's Chaco Forest; face down an apex predator, witness an economic miracle and meet the resilient Ayoreo people.

A Spinosaurus, the world's largest ever predatory dinosaur, struggles to bring up his babies and lead his young family across one of the deadliest environments on Earth.

Ken embraces the spirit of early explorers as he gains an understanding of some of the ocean's greatest and most diverse animals.

Levison and Alberto visit the landscapes, colonial cities, active volcanoes and mountains of Nicaragua and Costa Rica.

A Spinosaurus, the world's largest ever predatory dinosaur, struggles to bring up his babies and lead his young family across one of the deadliest environments on Earth.

Ken embraces the spirit of early explorers as he gains an understanding of some of the ocean's greatest and most diverse animals.

Confront objects that make no sense; spot a spinning island in an Argentinian marsh, a colossal triangle stuck in the Arizona desert, mysterious multicolored pools across northern Ethiopia and a huge human figure hidden in the Australian outback.

A Spinosaurus, the world's largest ever predatory dinosaur, struggles to bring up his babies and lead his young family across one of the deadliest environments on Earth.

Simon focuses on the most incredible wildlife stories from his adventures.

Voyage across a different sort of wilderness, where tropical reefs and jungle-covered islands are home to stunning biodiversity; Explore an evolutionary hot spot in New Guinea and take an astonishing swim with a gentle, seven-meter-long whale shark.

Make your way through three of the world's most extreme environments: the salt flats of Bolivia, the Brazilian Pantanal and Paraguay's Chaco Forest; face down an apex predator, witness an economic miracle and meet the resilient Ayoreo people.

Incredible stories of wildlife rescue and rehabilitation.

Take a deep dive into watery enigmas; glide over a sunken Italian city; a unique underwater cemetery in the Florida Keys; a yellow brick road to nowhere in the depths of the North Pacific; puzzling rocky constructions off the coast of Australia.

The jungle, underwater caves and lush everglades of the Yucatán shelter Mexico's largest predator, Morelet's crocodile.

Incredible stories of wildlife rescue and rehabilitation.

Take a deep dive into watery enigmas; glide over a sunken Italian city; a unique underwater cemetery in the Florida Keys; a yellow brick road to nowhere in the depths of the North Pacific; puzzling rocky constructions off the coast of Australia.

The jungle, underwater caves and lush everglades of the Yucatán shelter Mexico's largest predator, Morelet's crocodile.

Incredible stories of wildlife rescue and rehabilitation.

Take a deep dive into watery enigmas; glide over a sunken Italian city; a unique underwater cemetery in the Florida Keys; a yellow brick road to nowhere in the depths of the North Pacific; puzzling rocky constructions off the coast of Australia.

Journey from the lava ramparts to its fiery heart, discovering how this place became one of the most important areas of biodiversity in the world.

The jungle, underwater caves and lush everglades of the Yucatán shelter Mexico's largest predator, Morelet's crocodile.

A Spinosaurus, the world's largest ever predatory dinosaur, struggles to bring up his babies and lead his young family across one of the deadliest environments on Earth.

Ken embraces the spirit of early explorers as he gains an understanding of some of the ocean's greatest and most diverse animals.

Levison and Alberto visit the landscapes, colonial cities, active volcanoes and mountains of Nicaragua and Costa Rica.

In the middle of the jungle in Borneo, Dr Ann Jones and a team of scientists search high and low for a mammal as big as a dog and covered in scales; one of the world's most trafficked animals: the weird and wonderful pangolin.

Steve Backshall goes searching for venomous snakes, bears and a cave dragon.

Finding relief as Paddy discovers the keys to making healing analgesic tablets and soothing throat lozenges at the Reckitt factory in Nottingham; discovering how mercury thermometers are crafted with Cherry, then examining dodgy Victorian meds with Ruth.

Seeking a mate, leopard Olimba begins a new chapter, but in her way is her daughter; the hyenas' strength is growing, but a flooded den spells disaster, and the clan become separated.

In the middle of the jungle in Borneo, Dr Ann Jones and a team of scientists search high and low for a mammal as big as a dog and covered in scales; one of the world's most trafficked animals: the weird and wonderful pangolin.

Steve Backshall goes searching for venomous snakes, bears and a cave dragon.

Finding relief as Paddy discovers the keys to making healing analgesic tablets and soothing throat lozenges at the Reckitt factory in Nottingham; discovering how mercury thermometers are crafted with Cherry, then examining dodgy Victorian meds with Ruth.

Seeking a mate, leopard Olimba begins a new chapter, but in her way is her daughter; the hyenas' strength is growing, but a flooded den spells disaster, and the clan become separated.

In the middle of the jungle in Borneo, Dr Ann Jones and a team of scientists search high and low for a mammal as big as a dog and covered in scales; one of the world's most trafficked animals: the weird and wonderful pangolin.

Steve Backshall goes searching for venomous snakes, bears and a cave dragon.

Finding relief as Paddy discovers the keys to making healing analgesic tablets and soothing throat lozenges at the Reckitt factory in Nottingham; discovering how mercury thermometers are crafted with Cherry, then examining dodgy Victorian meds with Ruth.

Seeking a mate, leopard Olimba begins a new chapter, but in her way is her daughter; the hyenas' strength is growing, but a flooded den spells disaster, and the clan become separated.

The jungle, underwater caves and lush everglades of the Yucatán shelter Mexico's largest predator, Morelet's crocodile.

It is Hope's open house and with it brings incredible releases; Hope hears news that will change everything.

Psychedelic swirls in the Utah wastelands; a bizarre configuration of circles in the Sahara; hidden lines with the help of a drone; a remote polka-dot lake in Canada.

In the heart of central Mexico, lies Sierra Gorda, a region that is home to bobcats, pumas and flying squirrels.

It is Hope's open house and with it brings incredible releases; Hope hears news that will change everything.

Psychedelic swirls in the Utah wastelands; a bizarre configuration of circles in the Sahara; hidden lines with the help of a drone; a remote polka-dot lake in Canada.

In the heart of central Mexico, lies Sierra Gorda, a region that is home to bobcats, pumas and flying squirrels.

It is Hope's open house and with it brings incredible releases; Hope hears news that will change everything.

A glimpse into an African waterhole's bustling nightlife where summer's heat changes animals' drinking and cooling-off patterns and a new predator is drawn by increased nocturnal activity.

Finding relief as Paddy discovers the keys to making healing analgesic tablets and soothing throat lozenges at the Reckitt factory in Nottingham; discovering how mercury thermometers are crafted with Cherry, then examining dodgy Victorian meds with Ruth.

Steve joins forces with shark scientist Mauricio Hoyos to discover where shark mothers give birth and help protect a new generation of these ocean giants in the Eastern Pacific.

A glimpse into an African waterhole's bustling nightlife where summer's heat changes animals' drinking and cooling-off patterns and a new predator is drawn by increased nocturnal activity.

In the middle of the jungle in Borneo, Dr Ann Jones and a team of scientists search high and low for a mammal as big as a dog and covered in scales; one of the world's most trafficked animals: the weird and wonderful pangolin.

Steve Backshall goes searching for venomous snakes, bears and a cave dragon.

Finding relief as Paddy discovers the keys to making healing analgesic tablets and soothing throat lozenges at the Reckitt factory in Nottingham; discovering how mercury thermometers are crafted with Cherry, then examining dodgy Victorian meds with Ruth.

Seeking a mate, leopard Olimba begins a new chapter, but in her way is her daughter; the hyenas' strength is growing, but a flooded den spells disaster, and the clan become separated.

Dara Ó Briain investigates the darker side of the sun and the invisible harm that the sun can do to us.

Sir David Attenborough reveals new animal behaviors in the ocean.

Along the coastline, Zac and Darin take a deep dive into the coral reef restoration techniques supporting a vast underwater ecosystem.

Dara Ó Briain investigates the darker side of the sun and the invisible harm that the sun can do to us.

Sir David Attenborough reveals new animal behaviors in the ocean.

Along the coastline, Zac and Darin take a deep dive into the coral reef restoration techniques supporting a vast underwater ecosystem.

Dara Ó Briain investigates the darker side of the sun and the invisible harm that the sun can do to us.

Sir David Attenborough reveals new animal behaviors in the ocean.

Along the coastline, Zac and Darin take a deep dive into the coral reef restoration techniques supporting a vast underwater ecosystem.

In the heart of central Mexico, lies Sierra Gorda, a region that is home to bobcats, pumas and flying squirrels.

The first mammal of the year is born.

Learning why an important urban center is sinking toward oblivion; soaring over sprawling ruins buried under Saharan sands; learning the modern secret of an ancient fortress; eyeing a ghost town on the edge of the Gobi.

Costa Rica is a world of its own; a tropical corridor squeezed between two great oceans, powered by rivers and volcanoes; its volcanoes erupt and deposit minerals into the soil, making the land fertile and creating the country's rich bio-diversity.

The first mammal of the year is born.

Learning why an important urban center is sinking toward oblivion; soaring over sprawling ruins buried under Saharan sands; learning the modern secret of an ancient fortress; eyeing a ghost town on the edge of the Gobi.

Costa Rica is a world of its own; a tropical corridor squeezed between two great oceans, powered by rivers and volcanoes; its volcanoes erupt and deposit minerals into the soil, making the land fertile and creating the country's rich bio-diversity.

The first mammal of the year is born.

Finding relief as Paddy discovers the keys to making healing analgesic tablets and soothing throat lozenges at the Reckitt factory in Nottingham; discovering how mercury thermometers are crafted with Cherry, then examining dodgy Victorian meds with Ruth.

Levison and Alberto visit the landscapes, colonial cities, active volcanoes and mountains of Nicaragua and Costa Rica.

The first mammal of the year is born.

Finding relief as Paddy discovers the keys to making healing analgesic tablets and soothing throat lozenges at the Reckitt factory in Nottingham; discovering how mercury thermometers are crafted with Cherry, then examining dodgy Victorian meds with Ruth.

Dara Ó Briain investigates the darker side of the sun and the invisible harm that the sun can do to us.

Sir David Attenborough reveals new animal behaviors in the ocean.

Along the coastline, Zac and Darin take a deep dive into the coral reef restoration techniques supporting a vast underwater ecosystem.

Simon reflects on the modern threats to the world's spectacular wilderness.

Wander through the parched Kalahari Desert in search of wildlife, including one of Africa's largest elephant enclaves; go hunting with a group of San trackers who still live in the traditional way, then encounter the region's famous lions.

Go from Chile's Atacama Desert to the tip of Tierra del Fuego, where Simon wraps up his journey; See the effects of fast fashion waste, the havoc inflation is wreaking on Argentina, and an Indigenous group entangled in a Chilean political crisis.

Simon reflects on the modern threats to the world's spectacular wilderness.

Wander through the parched Kalahari Desert in search of wildlife, including one of Africa's largest elephant enclaves; go hunting with a group of San trackers who still live in the traditional way, then encounter the region's famous lions.

Go from Chile's Atacama Desert to the tip of Tierra del Fuego, where Simon wraps up his journey; See the effects of fast fashion waste, the havoc inflation is wreaking on Argentina, and an Indigenous group entangled in a Chilean political crisis.

Simon reflects on the modern threats to the world's spectacular wilderness.

Wander through the parched Kalahari Desert in search of wildlife, including one of Africa's largest elephant enclaves; go hunting with a group of San trackers who still live in the traditional way, then encounter the region's famous lions.

Go from Chile's Atacama Desert to the tip of Tierra del Fuego, where Simon wraps up his journey; See the effects of fast fashion waste, the havoc inflation is wreaking on Argentina, and an Indigenous group entangled in a Chilean political crisis.

Costa Rica is a world of its own; a tropical corridor squeezed between two great oceans, powered by rivers and volcanoes; its volcanoes erupt and deposit minerals into the soil, making the land fertile and creating the country's rich bio-diversity.

Hope struggles to save a seal for the first time.

Get petrified by cryptic rock structures normally hidden from view; look inside curious dwellings in the Peruvian Andes; visit a sacred monolith in Wyoming's Black Hills; haunt a Turkish stone village; spot an immovable waterfall in Mexico.

The mystery of where water comes from or how it arrived on Earth.

Hope struggles to save a seal for the first time.

Get petrified by cryptic rock structures normally hidden from view; look inside curious dwellings in the Peruvian Andes; visit a sacred monolith in Wyoming's Black Hills; haunt a Turkish stone village; spot an immovable waterfall in Mexico.

The mystery of where water comes from or how it arrived on Earth.

Hope struggles to save a seal for the first time.

Get petrified by cryptic rock structures normally hidden from view; look inside curious dwellings in the Peruvian Andes; visit a sacred monolith in Wyoming's Black Hills; haunt a Turkish stone village; spot an immovable waterfall in Mexico.

A Spinosaurus, the world's largest ever predatory dinosaur, struggles to bring up his babies and lead his young family across one of the deadliest environments on Earth.

Ken embraces the spirit of early explorers as he gains an understanding of some of the ocean's greatest and most diverse animals.

Seeking a mate, leopard Olimba begins a new chapter, but in her way is her daughter; the hyenas' strength is growing, but a flooded den spells disaster, and the clan become separated.

Simon reflects on the modern threats to the world's spectacular wilderness.

Wander through the parched Kalahari Desert in search of wildlife, including one of Africa's largest elephant enclaves; go hunting with a group of San trackers who still live in the traditional way, then encounter the region's famous lions.

Go from Chile's Atacama Desert to the tip of Tierra del Fuego, where Simon wraps up his journey; See the effects of fast fashion waste, the havoc inflation is wreaking on Argentina, and an Indigenous group entangled in a Chilean political crisis.

Tutankhamun's tomb was discovered in November 1922; since then, scientists and archaeologists have been puzzled by an iron dagger that was tucked in among the linen folds of the mummy.

A look at how gravity affects the world, and even the solar system.

Look back at the dawn of the universe through the lenses of next-generation space telescopes, then see how a former Nazi weapon changed our view of Earth forever. Search for surprising objects that lurk in the murky fringes of the solar system.

Tutankhamun's tomb was discovered in November 1922; since then, scientists and archaeologists have been puzzled by an iron dagger that was tucked in among the linen folds of the mummy.

A look at how gravity affects the world, and even the solar system.