BBC Earth

Emperor penguins cross a dangerous frozen sea to reach their breeding grounds; rockhoppers brave stormy seas and a 300-foot cliff; tropical Humboldt penguins face sea lions and vampire bats as they make their way to their desert nests.

The male penguins hand over their newborns to the returning females.

A journey from the heat of the tropics to the planet's frozen poles; life has spread to almost every part of the ocean, but there are many different worlds within it and each presents unique challenges.

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

The rehab is abuzz as Hope's open house approaches; a release at the birthplace of hockey goes offside; a deer doesn't want to depart.

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

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.

The rehab is abuzz as Hope's open house approaches; a release at the birthplace of hockey goes offside; a deer doesn't want to depart.

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

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.

The rehab is abuzz as Hope's open house approaches; a release at the birthplace of hockey goes offside; a deer doesn't want to depart.

Four rival families, leopards, hyena, wild dogs and lions, all try to claim a rich corner of Zambian paradise as their home.

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.

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.

Four rival families, leopards, hyena, wild dogs and lions, all try to claim a rich corner of Zambian paradise as their home.

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.

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.

Around 12,000 years ago, as the Ice Age finally thaws, humanity makes a dramatic shift - abandoning nomadic life for permanent settlements.

Levison Wood is in Botswana hoping to follow the world's largest elephant migration for 650 miles on foot along ancient pathways, but he first must overcome dangers in the bush before tracking a large herd of female elephants.

Lev and his guide, Kane, journey across the saltpans to track bull elephants, but their safety is soon jeopardized when they encounter a herd during mating season.

An orphaned baby Triceratops must outwit a deadly Tyrannosaurus rex.

Levison Wood is in Botswana hoping to follow the world's largest elephant migration for 650 miles on foot along ancient pathways, but he first must overcome dangers in the bush before tracking a large herd of female elephants.

Lev and his guide, Kane, journey across the saltpans to track bull elephants, but their safety is soon jeopardized when they encounter a herd during mating season.

An orphaned baby Triceratops must outwit a deadly Tyrannosaurus rex.

In Alaska, the unusually warm weather has resulted in a late freeze that is wreaking havoc.

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.

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

In Alaska, the unusually warm weather has resulted in a late freeze that is wreaking havoc.

Hope Swinimer rescues, rehabilitates and releases thousands of animals each year, while struggling to make ends meet; she is driven by her compassion and belief that every animal matters.

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

Examine mysterious holes in Isreal; explore a ghost village hidden in the Colombian jungle, a shipwreck off the coast of Sri Lanka and a gutted airplane fuselage abandoned in Iceland.

Hope Swinimer rescues, rehabilitates and releases thousands of animals each year, while struggling to make ends meet; she is driven by her compassion and belief that every animal matters.

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

Examine mysterious holes in Isreal; explore a ghost village hidden in the Colombian jungle, a shipwreck off the coast of Sri Lanka and a gutted airplane fuselage abandoned in Iceland.

Hope Swinimer rescues, rehabilitates and releases thousands of animals each year, while struggling to make ends meet; she is driven by her compassion and belief that every animal matters.

Glenn returns to his remote camp after months away. With grizzlies active in the area, he doesn't know what to expect.

Levison Wood is in Botswana hoping to follow the world's largest elephant migration for 650 miles on foot along ancient pathways, but he first must overcome dangers in the bush before tracking a large herd of female elephants.

The big blue is the world's greatest wilderness, far from shore and many kilometers deep.

Glenn returns to his remote camp after months away. With grizzlies active in the area, he doesn't know what to expect.

Levison Wood is in Botswana hoping to follow the world's largest elephant migration for 650 miles on foot along ancient pathways, but he first must overcome dangers in the bush before tracking a large herd of female elephants.

Lev and his guide, Kane, journey across the saltpans to track bull elephants, but their safety is soon jeopardized when they encounter a herd during mating season.

An orphaned baby Triceratops must outwit a deadly Tyrannosaurus rex.

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 heads to Suriname, a country with more forest than anywhere else on Earth; he kayaks upriver in search of some deadly critters.

A fishing crew takes on an adrenaline-filled fishing trip in Peru.

Olimba struggles with old age, and the wild dog story takes an unexpected turn; the lions and the hyenas both enjoy a baby boom - but who has the power to rule?

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 heads to Suriname, a country with more forest than anywhere else on Earth; he kayaks upriver in search of some deadly critters.

A fishing crew takes on an adrenaline-filled fishing trip in Peru.

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

Glenn returns to his remote camp after months away. With grizzlies active in the area, he doesn't know what to expect.

Examine mysterious holes in Isreal; explore a ghost village hidden in the Colombian jungle, a shipwreck off the coast of Sri Lanka and a gutted airplane fuselage abandoned in Iceland.

The big blue is the world's greatest wilderness, far from shore and many kilometers deep.

Glenn returns to his remote camp after months away. With grizzlies active in the area, he doesn't know what to expect.

A rare owl appears ready for release but everyone wonders if it will fly.

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

Investigate an abandoned village in the shifting sands on Dubai's outskirts and a collection of inexplicable stone circles in Colombia; a mysterious hilltop tower in Iran and a puzzling purple phenomenon in Chile's Atacama Desert.

A rare owl appears ready for release but everyone wonders if it will fly.

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

Investigate an abandoned village in the shifting sands on Dubai's outskirts and a collection of inexplicable stone circles in Colombia; a mysterious hilltop tower in Iran and a puzzling purple phenomenon in Chile's Atacama Desert.

A rare owl appears ready for release but everyone wonders if it will fly.

Sue is locking down camp and heading to Deadhorse to pick up a new eight-wheel all-terrain vehicle.

Lev and his guide, Kane, journey across the saltpans to track bull elephants, but their safety is soon jeopardized when they encounter a herd during mating season.

From forests to undersea prairies, it is the green of the sea that brings life to oceans.

Sue is locking down camp and heading to Deadhorse to pick up a new eight-wheel all-terrain vehicle.

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 heads to Suriname, a country with more forest than anywhere else on Earth; he kayaks upriver in search of some deadly critters.

Around 12,000 years ago, as the Ice Age finally thaws, humanity makes a dramatic shift - abandoning nomadic life for permanent settlements.

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.

Prince William, along with members of the Earthshot Prize Council, including Sir David Attenborough and former Japanese astronaut Naoko Yamazaki, uncovers personal stories of people affected by air pollution and of those determined to clean our air.

Questions about how animals adapt to the worlds built by the planet's most invasive species, humans; a search for loot to steal with macaques in Bali; hunting for easy eats with bears in Lake Tahoe; whale poo help fish populations bounce back.

Earth's journey into the deep freeze starts with fire over 800 million years ago; Long before the age of the dinosaurs, before there was even animal life, the supercontinent Rodinia breaks up.

Prince William, along with members of the Earthshot Prize Council, including Sir David Attenborough and former Japanese astronaut Naoko Yamazaki, uncovers personal stories of people affected by air pollution and of those determined to clean our air.

Questions about how animals adapt to the worlds built by the planet's most invasive species, humans; a search for loot to steal with macaques in Bali; hunting for easy eats with bears in Lake Tahoe; whale poo help fish populations bounce back.

Earth's journey into the deep freeze starts with fire over 800 million years ago; Long before the age of the dinosaurs, before there was even animal life, the supercontinent Rodinia breaks up.

Sue is locking down camp and heading to Deadhorse to pick up a new eight-wheel all-terrain vehicle.

Investigate an abandoned village in the shifting sands on Dubai's outskirts and a collection of inexplicable stone circles in Colombia; a mysterious hilltop tower in Iran and a puzzling purple phenomenon in Chile's Atacama Desert.

From forests to undersea prairies, it is the green of the sea that brings life to oceans.

Sue is locking down camp and heading to Deadhorse to pick up a new eight-wheel all-terrain vehicle.

Two tiny orphans struggle to survive; Hope takes a second swing at a release gone wrong.

Along the west coast of Great Britain, the world's longest uninterrupted footpath forges through more than 800 miles of breathtaking scenery; the diverse landscape of the Welsh coast is a geological treasure.

Come across a set of disturbingly familiar stone monoliths in Colombia, then explore a lost city in the Sierra Nevada de Santa Marta; puzzle over an ancient ruin in Corinth, Greece, and explore an old structure on a Maltese island.

Two tiny orphans struggle to survive; Hope takes a second swing at a release gone wrong.

Along the west coast of Great Britain, the world's longest uninterrupted footpath forges through more than 800 miles of breathtaking scenery; the diverse landscape of the Welsh coast is a geological treasure.

Come across a set of disturbingly familiar stone monoliths in Colombia, then explore a lost city in the Sierra Nevada de Santa Marta; puzzle over an ancient ruin in Corinth, Greece, and explore an old structure on a Maltese island.

Two tiny orphans struggle to survive; Hope takes a second swing at a release gone wrong.

Sue begins the 85-mile journey through the Alaskan tundra on her new all-terrain vehicle, back to her home in Kavik.

A fishing crew takes on an adrenaline-filled fishing trip in Peru.

Coasts are the most changeable habitats of the ocean world.

Sue begins the 85-mile journey through the Alaskan tundra on her new all-terrain vehicle, back to her home in Kavik.

Prince William, along with members of the Earthshot Prize Council, including Sir David Attenborough and former Japanese astronaut Naoko Yamazaki, uncovers personal stories of people affected by air pollution and of those determined to clean our air.

Questions about how animals adapt to the worlds built by the planet's most invasive species, humans; a search for loot to steal with macaques in Bali; hunting for easy eats with bears in Lake Tahoe; whale poo help fish populations bounce back.

Earth's journey into the deep freeze starts with fire over 800 million years ago; Long before the age of the dinosaurs, before there was even animal life, the supercontinent Rodinia breaks up.

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

The extraordinary story of how the human species, Homo sapiens, first emerged, where the discoveries of recent years are revolutionising the understanding of humanity's origin story.

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.

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

The extraordinary story of how the human species, Homo sapiens, first emerged, where the discoveries of recent years are revolutionising the understanding of humanity's origin story.