BBC Earth

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

Valentine's Day at the rehab.

Dara begins his journey by revealing how the moon governs time; returning to Ireland near where he grew up, he goes to Newgrange, an ancient archaeological site near the Wicklow Mountains.

Exploring the Milky Way from the mythology of ancient sky watchers to how scientists are mapping it from the inside out.

Examining the science behind the birth of the universe.

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

Paddy McGuinness and Cherry Healey hit factory floors across Britain for a snoop around their supersized production lines to reveal what the secrets are behind supermarket staples.

The Namib Desert is one of the oldest deserts of all; it's also one of the most diverse; with 50-degree temperatures and half a millimeter of rainfall annually.

Alaskans face uncertainty in their quest to thrive in the warm season.

Kayaking the white water of the Russian peninsula of Kamchatka; examining brown bears in the wilderness.

Steve Backshall, Chris Packham and Ella Al-Shamahi visit the Maldives, Iceland and Cambodia; Steve Backshall travels to the Maldives, an area facing significant challenges because of climate change.

An epic journey into the unknown, a realm that feels almost like science fiction.

The story behind David Attenborough's wildlife documentary series "Life on Earth," which changed his life forever.

Steve Backshall, Chris Packham and Ella Al-Shamahi visit the Maldives, Iceland and Cambodia; Steve Backshall travels to the Maldives, an area facing significant challenges because of climate change.

An epic journey into the unknown, a realm that feels almost like science fiction.

The story behind David Attenborough's wildlife documentary series "Life on Earth," which changed his life forever.

Steve Backshall, Chris Packham and Ella Al-Shamahi visit the Maldives, Iceland and Cambodia; Steve Backshall travels to the Maldives, an area facing significant challenges because of climate change.

An epic journey into the unknown, a realm that feels almost like science fiction.

The story behind David Attenborough's wildlife documentary series "Life on Earth," which changed his life forever.

Steve Backshall, Chris Packham and Ella Al-Shamahi visit the Maldives, Iceland and Cambodia; Steve Backshall travels to the Maldives, an area facing significant challenges because of climate change.

Hope scrambles to save the animals when a burglar busts down the door to the rehab, as the spring baby boom brings in a flood of injured and orphaned animals.

Exploring some of the most cavernous places on the planet, including an expansive Siberian crater with no explainable origin, Greenland's bizarre black holes, an ancient forbidden well in the Yemeni desert, and a voluminous void in Antarctica.

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

Hope scrambles to save the animals when a burglar busts down the door to the rehab, as the spring baby boom brings in a flood of injured and orphaned animals.

Exploring some of the most cavernous places on the planet, including an expansive Siberian crater with no explainable origin, Greenland's bizarre black holes, an ancient forbidden well in the Yemeni desert, and a voluminous void in Antarctica.

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

Hope scrambles to save the animals when a burglar busts down the door to the rehab, as the spring baby boom brings in a flood of injured and orphaned animals.

Alaskans face uncertainty in their quest to thrive in the warm season.

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.

From dolphins to cuttlefish, ocean animals possess emotions and behavior similar to humans, including the capacity to love, grieve, deceive and invent.

Ken O'Sullivan explores the marine life of the northern part of the ocean, beginning with the dark waters off the coast of the north of Ireland in winter and the strange animals that can be found there.

Levison Wood sets out to walk the length of the River Nile from source to sea; his nine-month, seven-million-step journey takes him through jungles, savannah, deserts, cities and war zones in some of Africa's most remote and spectacular locations.

From dolphins to cuttlefish, ocean animals possess emotions and behavior similar to humans, including the capacity to love, grieve, deceive and invent.

Ken O'Sullivan explores the marine life of the northern part of the ocean, beginning with the dark waters off the coast of the north of Ireland in winter and the strange animals that can be found there.

Levison Wood sets out to walk the length of the River Nile from source to sea; his nine-month, seven-million-step journey takes him through jungles, savannah, deserts, cities and war zones in some of Africa's most remote and spectacular locations.

From dolphins to cuttlefish, ocean animals possess emotions and behavior similar to humans, including the capacity to love, grieve, deceive and invent.

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.

Hope fights to save a family of foxes; the nursery is hit by a mysterious outbreak.

A perfect circle carved around an ancient peak; a scary phenomenon in the Pacific; strange shapes in a Middle Eastern desert; a formation below the ocean's surface.

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 fights to save a family of foxes; the nursery is hit by a mysterious outbreak.

A perfect circle carved around an ancient peak; a scary phenomenon in the Pacific; strange shapes in a Middle Eastern desert; a formation below the ocean's surface.

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 fights to save a family of foxes; the nursery is hit by a mysterious outbreak.

Exploring the Milky Way from the mythology of ancient sky watchers to how scientists are mapping it from the inside out.

Examining the science behind the birth of the universe.

The Namib Desert is one of the oldest deserts of all; it's also one of the most diverse; with 50-degree temperatures and half a millimeter of rainfall annually.

Steve Backshall, Chris Packham and Ella Al-Shamahi visit the Maldives, Iceland and Cambodia; Steve Backshall travels to the Maldives, an area facing significant challenges because of climate change.

Exploring the Milky Way from the mythology of ancient sky watchers to how scientists are mapping it from the inside out.

Examining the science behind the birth of the universe.

From dolphins to cuttlefish, ocean animals possess emotions and behavior similar to humans, including the capacity to love, grieve, deceive and invent.

Ken O'Sullivan explores the marine life of the northern part of the ocean, beginning with the dark waters off the coast of the north of Ireland in winter and the strange animals that can be found there.

Levison Wood sets out to walk the length of the River Nile from source to sea; his nine-month, seven-million-step journey takes him through jungles, savannah, deserts, cities and war zones in some of Africa's most remote and spectacular locations.

A tiny turtle hatchling struggles out of her egg, emerging onto the roadside, and faces the task of crossing Highway 60; with the wetland somewhere on the other side of the road, she deals with trucks and roadside predators like ravens and foxes.

Paddy explores a South Wales factory making Jammie Dodgers, revealing how they produce 4.4 billion biscuits a year; Cherry tests dunking science and Ruth uncovers wartime history.

Coral Reefs are vibrant undersea cities where life has found ways to survive.

A tiny turtle hatchling struggles out of her egg, emerging onto the roadside, and faces the task of crossing Highway 60; with the wetland somewhere on the other side of the road, she deals with trucks and roadside predators like ravens and foxes.

Paddy explores a South Wales factory making Jammie Dodgers, revealing how they produce 4.4 billion biscuits a year; Cherry tests dunking science and Ruth uncovers wartime history.

Coral Reefs are vibrant undersea cities where life has found ways to survive.

A tiny turtle hatchling struggles out of her egg, emerging onto the roadside, and faces the task of crossing Highway 60; with the wetland somewhere on the other side of the road, she deals with trucks and roadside predators like ravens and foxes.

Paddy explores a South Wales factory making Jammie Dodgers, revealing how they produce 4.4 billion biscuits a year; Cherry tests dunking science and Ruth uncovers wartime history.

Coral Reefs are vibrant undersea cities where life has found ways to survive.

A perfect circle carved around an ancient peak; a scary phenomenon in the Pacific; strange shapes in a Middle Eastern desert; a formation below the ocean's surface.

Twin fawns arrive at the centre; a volunteer searches for orphans in the woods; Hope tends to a tiny owl.

Decoding the secrets of long-lost human settlements; scrutinizing a mysterious Norwegian mound, a prehistoric stone circle on the banks of the Tagus River, a lost city in the cradle of civilization and bizarre rock shapes.

Iceland is the world's largest volcanic island and new ground is born daily.

Twin fawns arrive at the centre; a volunteer searches for orphans in the woods; Hope tends to a tiny owl.

Decoding the secrets of long-lost human settlements; scrutinizing a mysterious Norwegian mound, a prehistoric stone circle on the banks of the Tagus River, a lost city in the cradle of civilization and bizarre rock shapes.

Iceland is the world's largest volcanic island and new ground is born daily.

Twin fawns arrive at the centre; a volunteer searches for orphans in the woods; Hope tends to a tiny owl.

Decoding the secrets of long-lost human settlements; scrutinizing a mysterious Norwegian mound, a prehistoric stone circle on the banks of the Tagus River, a lost city in the cradle of civilization and bizarre rock shapes.

Paddy explores a South Wales factory making Jammie Dodgers, revealing how they produce 4.4 billion biscuits a year; Cherry tests dunking science and Ruth uncovers wartime history.

Kayaking the white water of the Russian peninsula of Kamchatka; examining brown bears in the wilderness.

Steve Backshall, Chris Packham and Ella Al-Shamahi visit the Maldives, Iceland and Cambodia; Steve Backshall travels to the Maldives, an area facing significant challenges because of climate change.

A tiny turtle hatchling struggles out of her egg, emerging onto the roadside, and faces the task of crossing Highway 60; with the wetland somewhere on the other side of the road, she deals with trucks and roadside predators like ravens and foxes.

Paddy explores a South Wales factory making Jammie Dodgers, revealing how they produce 4.4 billion biscuits a year; Cherry tests dunking science and Ruth uncovers wartime history.

Coral Reefs are vibrant undersea cities where life has found ways to survive.

Dara tells the story of how the first photograph of the far side of the moon left scientists baffled and tries a virtual reality headset to walk on the moon.

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

Dara tells the story of how the first photograph of the far side of the moon left scientists baffled and tries a virtual reality headset to walk on the moon.

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

Dara tells the story of how the first photograph of the far side of the moon left scientists baffled and tries a virtual reality headset to walk on the moon.

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

Decoding the secrets of long-lost human settlements; scrutinizing a mysterious Norwegian mound, a prehistoric stone circle on the banks of the Tagus River, a lost city in the cradle of civilization and bizarre rock shapes.

Lynn plays surrogate to baby beavers; Zach is forced to follow a seal along the coastline; a patient returns after a release goes wrong.

Zoom in on some otherworldly sights; spot a giant glacier on the Red Planet, let the milky seas off the coast of Java bathe your vision, ponder a huge hexagon floating above Saturn and take a spin around a doughnut-shaped lake in Saskatchewan.

Iceland's volcanoes generate one third of earth's land-based lava, but the land was sculpted by ice.

Lynn plays surrogate to baby beavers; Zach is forced to follow a seal along the coastline; a patient returns after a release goes wrong.

Zoom in on some otherworldly sights; spot a giant glacier on the Red Planet, let the milky seas off the coast of Java bathe your vision, ponder a huge hexagon floating above Saturn and take a spin around a doughnut-shaped lake in Saskatchewan.

Iceland's volcanoes generate one third of earth's land-based lava, but the land was sculpted by ice.

Lynn plays surrogate to baby beavers; Zach is forced to follow a seal along the coastline; a patient returns after a release goes wrong.

Paddy explores a South Wales factory making Jammie Dodgers, revealing how they produce 4.4 billion biscuits a year; Cherry tests dunking science and Ruth uncovers wartime history.

Levison Wood sets out to walk the length of the River Nile from source to sea; his nine-month, seven-million-step journey takes him through jungles, savannah, deserts, cities and war zones in some of Africa's most remote and spectacular locations.

Paddy explores a South Wales factory making Jammie Dodgers, revealing how they produce 4.4 billion biscuits a year; Cherry tests dunking science and Ruth uncovers wartime history.

Dara tells the story of how the first photograph of the far side of the moon left scientists baffled and tries a virtual reality headset to walk on the moon.

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.

SSimon Reeve embarks on a journey to discover the wild and remote landscapes of South America and their human stories.

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.

SSimon Reeve embarks on a journey to discover the wild and remote landscapes of South America and their human stories.

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.

SSimon Reeve embarks on a journey to discover the wild and remote landscapes of South America and their human stories.

Zoom in on some otherworldly sights; spot a giant glacier on the Red Planet, let the milky seas off the coast of Java bathe your vision, ponder a huge hexagon floating above Saturn and take a spin around a doughnut-shaped lake in Saskatchewan.

Jennie and Stephanie try to save a harbor seal pup.

Explores strongholds abandoned by their architects; a lost city in the Amazon jungle; a desert fortress made by humanity's most notorious empire; explores a city of identical castles; examines a Greek isle's bloody history from the air.

The highest tides in the world are found in the Bay of Fundy on Canada's east coast.

Jennie and Stephanie try to save a harbor seal pup.

Explores strongholds abandoned by their architects; a lost city in the Amazon jungle; a desert fortress made by humanity's most notorious empire; explores a city of identical castles; examines a Greek isle's bloody history from the air.

The highest tides in the world are found in the Bay of Fundy on Canada's east coast.

Jennie and Stephanie try to save a harbor seal pup.

A tiny turtle hatchling struggles out of her egg, emerging onto the roadside, and faces the task of crossing Highway 60; with the wetland somewhere on the other side of the road, she deals with trucks and roadside predators like ravens and foxes.

From dolphins to cuttlefish, ocean animals possess emotions and behavior similar to humans, including the capacity to love, grieve, deceive and invent.

Ken O'Sullivan explores the marine life of the northern part of the ocean, beginning with the dark waters off the coast of the north of Ireland in winter and the strange animals that can be found there.

Coral Reefs are vibrant undersea cities where life has found ways to survive.

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.

SSimon Reeve embarks on a journey to discover the wild and remote landscapes of South America and their human stories.

In 1989, a ferocious explosion on the sun's surface released a cloud of highly charged particles containing the energy of 20 million nuclear bombs, and this solar superstorm then hit Earth; in Quebec, Canada, the lights suddenly went out.

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

Mercury, one of the nearest planets to earth, has eluded astronomers' best efforts to learn its secrets until missions like Mariner and Messenger.

Examining how cosmic rays are produced and what that can tell us about the universe.

In 1989, a ferocious explosion on the sun's surface released a cloud of highly charged particles containing the energy of 20 million nuclear bombs, and this solar superstorm then hit Earth; in Quebec, Canada, the lights suddenly went out.

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