BBC Earth

Angela Rippon travels to Germany to join a ground breaking study which reveals the exercise that holds off ageing the most. Meanwhile, Dr Chris van Tulleken looks at age-defying diets.

Explore the magical wonders of the Danube. Branching out across Europe, its tributaries gather water from 19 countries, making it the world's most international river.

At a chimpanzee orphanage in Liberia, a deadly cold breaks out among the babies, and the arrival of an eight-week-old infant and an adult male chimp brings new challenges.

Underwater cameraman Ken O'Sullivan embraces the spirit of early explorers, and gains an understanding of some of the ocean's greatest and most diverse animals.

Professor Brian Cox looks at how we came to understand that we are not at the centre of the universe.

Levison's journey begins in war-torn Syria, where he runs the gauntlet into an even more dangerous Iraq. Dodging ISIS bullets and under constant threat, he must brave the legacy of decades of instability.

Ben Fogle travels to South-East Asia to meet 31-year-old Jon Watkinson in Laos.

Both the narwhal and the snail have developed a twist: the narwhal with its ferocious prong and the snail with its chic mobile home. David Attenborough questions why spirals are so widespread in nature.

With the Arctic already freezing, Alaskans must prepare themselves for the looming winter.

The story of the Marsh Pride continues with testimony from those who filmed them, those who tried to protect them and those who hunted them. The Maasai speak about the struggles of living with these dangerous predators.

Professor Brian Cox examines what lies ahead for humankind. On Svalbard, he gains access to civilisation's greatest treasure, buried deep in the permafrost.

David Attenborough investigates the power of silk, the secret weapon of the undergrowth and looks at its many uses in the insect world.

Ben Fogle meets a woman who works with animals in a remote part of Australia.

Levison continues his journey through the oil-rich cities of the Gulf before travelling across the sands of Oman. Once he's ascended the remote Dhofar mountains, Levison attempts to cross the deadly war zone of Yemen.

Louis reflects on the criminal justice system in the USA, which has more prisoners than any other country in the world. In his documentaries, Louis spent time with hundreds of incarcerated men.

Alaskans must face their inner demons as they rage against the dying of the light.

David Attenborough looks at the complex alliances and partnerships tiny creatures form between each other and with plants.

The northern island of Hokkaido swings from Siberia-like winters to Mediterranean-like summers. Everything living on Japan's wildest island needs to be extra resilient to survive.

Power is shifting among the animal families as new threats emerge. As their young grow and everyone fights to survive, who will be the winners, and who will be losers?

As everyone faces the final reckoning, the Great River Crossing begins. Gnu and Shani's foal are tested by crocodiles. Duma must save his mother. Does Kali find happiness at last?

As the weather changes across the Arctic, Alaska's inhabitants cope with severe conditions while searching for essential resources.

To film the spectacular return of the emperor penguins to Antarctica is a key event for the team, but it requires operating in the most dangerous of all polar environments.

The story of the Marsh Pride continues with testimony from those who filmed them, those who tried to protect them and those who hunted them. The Maasai speak about the struggles of living with these dangerous predators.

The northern island of Hokkaido swings from Siberia-like winters to Mediterranean-like summers. Everything living on Japan's wildest island needs to be extra resilient to survive.

Power is shifting among the animal families as new threats emerge. As their young grow and everyone fights to survive, who will be the winners, and who will be losers?

As everyone faces the final reckoning, the Great River Crossing begins. Gnu and Shani's foal are tested by crocodiles. Duma must save his mother. Does Kali find happiness at last?

Levison continues his journey through the oil-rich cities of the Gulf before travelling across the sands of Oman. Once he's ascended the remote Dhofar mountains, Levison attempts to cross the deadly war zone of Yemen.

David Attenborough looks at the complex alliances and partnerships tiny creatures form between each other and with plants.

Professor Brian Cox examines what lies ahead for humankind. On Svalbard, he gains access to civilisation's greatest treasure, buried deep in the permafrost.

Levison continues his journey through the oil-rich cities of the Gulf before travelling across the sands of Oman. Once he's ascended the remote Dhofar mountains, Levison attempts to cross the deadly war zone of Yemen.

Ben Fogle meets a woman who works with animals in a remote part of Australia.

David Attenborough examines a zebra's stripes and the wings of a butterfly; animal patterns that have bedazzled and baffled science for a long time, and uses modern tools to unlock their secrets.

Alaskans must face their inner demons as they rage against the dying of the light.

Couple Jim and Jenny Desmond never planned on becoming surrogate parents to over twenty chimpanzees, but now their home is bursting at the seams.

Chris helps an autistic comedian reveal to her mum what's really going on inside her head and gives a non-speaking autistic man the chance to take his message to the world.

David Attenborough looks at the complex alliances and partnerships tiny creatures form between each other and with plants.

Ben Fogle meets an American man who lives deep in the Appalachian Mountains.

After a diversion through pirate waters and around the horn of Africa, Levison lands in the secretive kingdom of Saudi Arabia.

Louis examines how the greatest source of love in our lives, our families, can often be the cause of our deepest pain.

Dark winter has descended upon the Arctic, and in its cruel reign, survival is uncertain.

David Attenborough uncovers an intriguing network of incredible partnerships as he continues to explore the world of the invertebrates.

The third and final leg of Simon's Russian journey takes him from Crimea to the historic Baltic city of St Petersburg.

Gordon Buchanan joins the Pazhetnovs, a pioneering family of biologists, in snowy Russia to rehabilitate six orphaned grizzly cubs back to the wild.

Ben reconnects with an old British friend, Paul Ferber and his family, in a completely different country to where they first met.

For Alaskans, utilising the frozen trails to secure resources is a requirement for survival in the dark winter. At the family hunting grounds in Kiwalik, Chip Hailstone follows a trail of wolves.

David Attenborough examines a zebra's stripes and the wings of a butterfly; animal patterns that have bedazzled and baffled science for a long time, and uses modern tools to unlock their secrets.

Couple Jim and Jenny Desmond never planned on becoming surrogate parents to over twenty chimpanzees, but now their home is bursting at the seams.

The third and final leg of Simon's Russian journey takes him from Crimea to the historic Baltic city of St Petersburg.

Gordon Buchanan joins the Pazhetnovs, a pioneering family of biologists, in snowy Russia to rehabilitate six orphaned grizzly cubs back to the wild.

Ben reconnects with an old British friend, Paul Ferber and his family, in a completely different country to where they first met.

After a diversion through pirate waters and around the horn of Africa, Levison lands in the secretive kingdom of Saudi Arabia.

David Attenborough uncovers an intriguing network of incredible partnerships as he continues to explore the world of the invertebrates.

Chris helps an autistic comedian reveal to her mum what's really going on inside her head and gives a non-speaking autistic man the chance to take his message to the world.

After a diversion through pirate waters and around the horn of Africa, Levison lands in the secretive kingdom of Saudi Arabia.

Ben Fogle meets an American man who lives deep in the Appalachian Mountains.

A look at whether some seemingly impossible facts about the animal kingdom are truths or myths.

Dark winter has descended upon the Arctic, and in its cruel reign, survival is uncertain.

At a chimpanzee orphanage in Liberia, a deadly cold breaks out among the babies, and the arrival of an eight-week-old infant and an adult male chimp brings new challenges.

Chris helps Anton, a teaching assistant and football fan who can't tolerate change and Ethan, a 19-year-old student and aspiring rapper who can't stand noise.

David Attenborough uncovers an intriguing network of incredible partnerships as he continues to explore the world of the invertebrates.

Ben Fogle builds hammocks and goes free-diving with a couple who live in French Polynesia.

Levison reaches the rugged landscape of Jordan, home to lost cities and Bedouin nomads. He travels past the Dead Sea and into the contested region of Palestine, where he witnesses life inside the west bank.

Louis travels to California to spend two weeks in the notorious San Quentin State Prison.

The Hailstones brave the freeze to seek new land for the expanding family.

More kinds of plants are crammed together in the tropical rainforests than anywhere else. The result is astonishing beauty and intense competition, a plant battleground.

At a chimpanzee orphanage in Liberia, the team reach a breaking point while caring for 38 rescued baby chimps, and the orphans have their first taste of life in the forest.

Tracing David Attenborough's lifelong passion for birds of paradise, from the forests of New Guinea more than 50 years ago to the desert of Qatar today.

The northern island of Hokkaido swings from Siberia-like winters to Mediterranean-like summers. Everything living on Japan's wildest island needs to be extra resilient to survive.

Jessie runs the race of a lifetime at the Iditarod; Ricko hunts for small game; the Hailstones go on a family rabbit hunt; Sue clears snow from her rooftops.

At a chimpanzee orphanage in Liberia, a deadly cold breaks out among the babies, and the arrival of an eight-week-old infant and an adult male chimp brings new challenges.

At a chimpanzee orphanage in Liberia, the team reach a breaking point while caring for 38 rescued baby chimps, and the orphans have their first taste of life in the forest.

Tracing David Attenborough's lifelong passion for birds of paradise, from the forests of New Guinea more than 50 years ago to the desert of Qatar today.

The northern island of Hokkaido swings from Siberia-like winters to Mediterranean-like summers. Everything living on Japan's wildest island needs to be extra resilient to survive.

Levison reaches the rugged landscape of Jordan, home to lost cities and Bedouin nomads. He travels past the Dead Sea and into the contested region of Palestine, where he witnesses life inside the west bank.

More kinds of plants are crammed together in the tropical rainforests than anywhere else. The result is astonishing beauty and intense competition, a plant battleground.

Chris helps Anton, a teaching assistant and football fan who can't tolerate change and Ethan, a 19-year-old student and aspiring rapper who can't stand noise.

Levison reaches the rugged landscape of Jordan, home to lost cities and Bedouin nomads. He travels past the Dead Sea and into the contested region of Palestine, where he witnesses life inside the west bank.

Ben Fogle builds hammocks and goes free-diving with a couple who live in French Polynesia.

The Hailstones brave the freeze to seek new land for the expanding family.

At a chimpanzee orphanage in Liberia, the team reach a breaking point while caring for 38 rescued baby chimps, and the orphans have their first taste of life in the forest.

Michael Mosley reveals how sleep affects almost every part of our physical and mental wellbeing, from memory and mood to immunity, weight and fertility.

More kinds of plants are crammed together in the tropical rainforests than anywhere else. The result is astonishing beauty and intense competition, a plant battleground.

Ben Fogle meets a family who live in the Inner Hebrides off the West Coast of Scotland.

Levison's journey continues through Israel and the perilous road to Syria. He travels undercover, dodging danger, before reaching the mountains of Lebanon and the end of his journey on the shores of the Mediterranean.

In America's heartlands, Louis looks at private collections of tigers and chimpanzees.

In the Arctic, snowfall and unclear trails turn simple tasks into dangerous endeavours.

Water plants create some of the most beautiful and bizarre spectacles in nature. Flowers smother rivers and lakes. Plants fight and hunt. A river bubbles like champagne as plants create the atmosphere itself.

Angela tries out a new treatment that's proven to help memory and concentration. Plus Chris discovers the best exercise we can do for our brains.

Ferocious explosions on the surface of the Sun can release clouds of electrically charged particles containing energy equivalent to millions of nuclear bombs. And when these particles reach Earth, havoc ensues.

Steve Backshall, Chris Packham and Ella Al-Shamahi visit the Maldives, Iceland and Cambodia, charting the fight to save the planet's most endangered ecosystems.

Sue settles back into life at Kavik, Ricko replaces the cabin stove, and Jessie struggles to free his four-wheeler from the frozen mud.

Cameraman Jeff Turner attempted to film bison wolves, 15 years ago. Now, he is back with an aerial team.

Orang-utans were considered as just clever mimics until a discovery in remote Sumatran swamps revealed their true potential.

At a chimpanzee orphanage in Liberia, the team reach a breaking point while caring for 38 rescued baby chimps, and the orphans have their first taste of life in the forest.

Angela tries out a new treatment that's proven to help memory and concentration. Plus Chris discovers the best exercise we can do for our brains.

Ferocious explosions on the surface of the Sun can release clouds of electrically charged particles containing energy equivalent to millions of nuclear bombs. And when these particles reach Earth, havoc ensues.

Cameraman Jeff Turner attempted to film bison wolves, 15 years ago. Now, he is back with an aerial team.

Steve Backshall, Chris Packham and Ella Al-Shamahi visit the Maldives, Iceland and Cambodia, charting the fight to save the planet's most endangered ecosystems.

Levison's journey continues through Israel and the perilous road to Syria. He travels undercover, dodging danger, before reaching the mountains of Lebanon and the end of his journey on the shores of the Mediterranean.

Water plants create some of the most beautiful and bizarre spectacles in nature. Flowers smother rivers and lakes. Plants fight and hunt. A river bubbles like champagne as plants create the atmosphere itself.

Michael Mosley reveals how sleep affects almost every part of our physical and mental wellbeing, from memory and mood to immunity, weight and fertility.

Levison's journey continues through Israel and the perilous road to Syria. He travels undercover, dodging danger, before reaching the mountains of Lebanon and the end of his journey on the shores of the Mediterranean.

Ben Fogle meets a family who live in the Inner Hebrides off the West Coast of Scotland.

What is the secret behind expandable bodies, like the anaconda who can swallow prey twice its own body size?

In the Arctic, snowfall and unclear trails turn simple tasks into dangerous endeavours.

Underwater cameraman 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.

Evolutionary biologist Ben Garrod Ben shows what bone is constructed from and how it can support animals that are both tiny (a frog) and massive (the blue whale).

Water plants create some of the most beautiful and bizarre spectacles in nature. Flowers smother rivers and lakes. Plants fight and hunt. A river bubbles like champagne as plants create the atmosphere itself.

Producer Dan Rees leads the team on their longest journey in the Arctic to Russia's most remote region of Chukotka.

Ben Fogle journeys to the USA's Pacific Northwest, to live with a former punk-rocker who has spent more than half her life living, hunting, and sleeping in the wilderness.