BBC Earth Astro

Lucy must adapt to life as a hunter-gatherer and earn the respect of the tribesmen, whose knowledge, skills and understanding of the land will be vital for the expedition ahead.

Michael Portillo boards Vietnam's spectacular Reunification Railway to make a 1,000-mile journey from Ho Chi Minh City to Hanoi. He visits the container port of Haiphong and finishes in Halong Bay.

A devastating typhoon in the Philippines destroys communities, leaving millions homeless, while a British hiker narrowly escapes an avalanche in Kyrgyzstan's Tian Shan Mountains.

In Shenzhen and Hong Kong, Ben sees a dazzling drone show, explores Huaqiangbei Market, visits 'coffin homes', has coffee made by a robot barista and considers tech's environmental cost.

Four rival families - leopards, hyena, wild dogs and lions - all try to claim a rich corner of Zambian paradise as their home. Who will succeed in ruling this precious kingdom?

Michael comes face to face with a lion, heads skywards for a heavenly view, meets the city's great and the good from beyond the grave, and enjoys a classic aperitivo at a legendary bar.

Freshwater is often the stage on which millions of animals gather to find a mate. And the cycle of freshwater is the trigger for spectacular mating rituals and fierce competition.

Ash Dykes gears up for unique experiences-wrestling an Inner Mongolian champion in the Gobi Desert, and witnessing wild horse races at the Nadaam Festival.

Professor Brian Cox explores the solar system's misfits and oddballs and investigates the forces that sculpted the bizarre features on these strange worlds.

Michael comes face to face with a lion, heads skywards for a heavenly view, meets the city's great and the good from beyond the grave, and enjoys a classic aperitivo at a legendary bar.

Freshwater is often the stage on which millions of animals gather to find a mate. And the cycle of freshwater is the trigger for spectacular mating rituals and fierce competition.

Ash Dykes gears up for unique experiences-wrestling an Inner Mongolian champion in the Gobi Desert, and witnessing wild horse races at the Nadaam Festival.

Professor Brian Cox explores the solar system's misfits and oddballs and investigates the forces that sculpted the bizarre features on these strange worlds.

Freshwater is often the stage on which millions of animals gather to find a mate. And the cycle of freshwater is the trigger for spectacular mating rituals and fierce competition.

Ash Dykes gears up for unique experiences-wrestling an Inner Mongolian champion in the Gobi Desert, and witnessing wild horse races at the Nadaam Festival.

Professor Brian Cox explores the solar system's misfits and oddballs and investigates the forces that sculpted the bizarre features on these strange worlds.

In Shenzhen and Hong Kong, Ben sees a dazzling drone show, explores Huaqiangbei Market, visits 'coffin homes', has coffee made by a robot barista and considers tech's environmental cost.

Ash Dykes gears up for unique experiences-wrestling an Inner Mongolian champion in the Gobi Desert, and witnessing wild horse races at the Nadaam Festival.

Professor Brian Cox explores the solar system's misfits and oddballs and investigates the forces that sculpted the bizarre features on these strange worlds.

Freshwater is often the stage on which millions of animals gather to find a mate. And the cycle of freshwater is the trigger for spectacular mating rituals and fierce competition.

In Shenzhen and Hong Kong, Ben sees a dazzling drone show, explores Huaqiangbei Market, visits 'coffin homes', has coffee made by a robot barista and considers tech's environmental cost.

During winter most animals abandon the polar regions, but a few extreme survivors remain. This is the story of their battles to endure the planet's harshest winters.

Freshwater is often the stage on which millions of animals gather to find a mate. And the cycle of freshwater is the trigger for spectacular mating rituals and fierce competition.

Professor Brian Cox explores the solar system's misfits and oddballs and investigates the forces that sculpted the bizarre features on these strange worlds.

In Shenzhen and Hong Kong, Ben sees a dazzling drone show, explores Huaqiangbei Market, visits 'coffin homes', has coffee made by a robot barista and considers tech's environmental cost.

Michael comes face to face with a lion, heads skywards for a heavenly view, meets the city's great and the good from beyond the grave, and enjoys a classic aperitivo at a legendary bar.

Freshwater is often the stage on which millions of animals gather to find a mate. And the cycle of freshwater is the trigger for spectacular mating rituals and fierce competition.

Ash Dykes gears up for unique experiences-wrestling an Inner Mongolian champion in the Gobi Desert, and witnessing wild horse races at the Nadaam Festival.

In Prague, Michael learns some KGB secrets, before brewing beer at a 1000-year old monastery and spending the night as the only guest in a giant, and peculiar, TV Tower.

The last episode in the series looks at Hokkaido, Japan's northernmost and wildest island. It takes tough animals and people to survive in this ever-changing place.

The Rev Richard Coles joins Robson to explore the Northumberland coastline. They take a Canadian canoe trip along the River Coquet, and visit the hidden gem of Walkworth's secret hermitage.

Robson is joined by Invictus Games gold medal winner JJ Chalmers in and around the Scottish town of Pitlochry. The pair zipwire across the River Garry and enjoy a husky ride.

In Arizona, lightning strikes from so high above the ground, through such clear air, that it creates the perfect conditions for the most electrifying show on Earth.

In Prague, Michael learns some KGB secrets, before brewing beer at a 1000-year old monastery and spending the night as the only guest in a giant, and peculiar, TV Tower.

The last episode in the series looks at Hokkaido, Japan's northernmost and wildest island. It takes tough animals and people to survive in this ever-changing place.

The Rev Richard Coles joins Robson to explore the Northumberland coastline. They take a Canadian canoe trip along the River Coquet, and visit the hidden gem of Walkworth's secret hermitage.

Robson is joined by Invictus Games gold medal winner JJ Chalmers in and around the Scottish town of Pitlochry. The pair zipwire across the River Garry and enjoy a husky ride.

In Arizona, lightning strikes from so high above the ground, through such clear air, that it creates the perfect conditions for the most electrifying show on Earth.

Ash Dykes gears up for unique experiences-wrestling an Inner Mongolian champion in the Gobi Desert, and witnessing wild horse races at the Nadaam Festival.

Freshwater is often the stage on which millions of animals gather to find a mate. And the cycle of freshwater is the trigger for spectacular mating rituals and fierce competition.

The last episode in the series looks at Hokkaido, Japan's northernmost and wildest island. It takes tough animals and people to survive in this ever-changing place.

The Rev Richard Coles joins Robson to explore the Northumberland coastline. They take a Canadian canoe trip along the River Coquet, and visit the hidden gem of Walkworth's secret hermitage.

Robson is joined by Invictus Games gold medal winner JJ Chalmers in and around the Scottish town of Pitlochry. The pair zipwire across the River Garry and enjoy a husky ride.

Ash Dykes gears up for unique experiences-wrestling an Inner Mongolian champion in the Gobi Desert, and witnessing wild horse races at the Nadaam Festival.

In Prague, Michael learns some KGB secrets, before brewing beer at a 1000-year old monastery and spending the night as the only guest in a giant, and peculiar, TV Tower.

The last episode in the series looks at Hokkaido, Japan's northernmost and wildest island. It takes tough animals and people to survive in this ever-changing place.

The Rev Richard Coles joins Robson to explore the Northumberland coastline. They take a Canadian canoe trip along the River Coquet, and visit the hidden gem of Walkworth's secret hermitage.

Robson is joined by Invictus Games gold medal winner JJ Chalmers in and around the Scottish town of Pitlochry. The pair zipwire across the River Garry and enjoy a husky ride.

Ash Dykes gears up for unique experiences-wrestling an Inner Mongolian champion in the Gobi Desert, and witnessing wild horse races at the Nadaam Festival.

In Arizona, lightning strikes from so high above the ground, through such clear air, that it creates the perfect conditions for the most electrifying show on Earth.

What draws humans to the coldest and most hostile reaches of our planet?

The last episode in the series looks at Hokkaido, Japan's northernmost and wildest island. It takes tough animals and people to survive in this ever-changing place.

Ash Dykes gears up for unique experiences-wrestling an Inner Mongolian champion in the Gobi Desert, and witnessing wild horse races at the Nadaam Festival.

The Rev Richard Coles joins Robson to explore the Northumberland coastline. They take a Canadian canoe trip along the River Coquet, and visit the hidden gem of Walkworth's secret hermitage.

Robson is joined by Invictus Games gold medal winner JJ Chalmers in and around the Scottish town of Pitlochry. The pair zipwire across the River Garry and enjoy a husky ride.

In Prague, Michael learns some KGB secrets, before brewing beer at a 1000-year old monastery and spending the night as the only guest in a giant, and peculiar, TV Tower.

The last episode in the series looks at Hokkaido, Japan's northernmost and wildest island. It takes tough animals and people to survive in this ever-changing place.

In Arizona, lightning strikes from so high above the ground, through such clear air, that it creates the perfect conditions for the most electrifying show on Earth.

Michael uncovers a secret nuclear bunker used to spy on foreign dignitaries, savours Prague's culinary rebirth following the end of the Cold War, before training up as a puppet master.

Halfway through their trek, Lucy and the team face dense forests and the ever-present threat of elephants, as rations run dangerously low.

Griff explores Tennessee's river power, atomic secrets, and Nashville's country music scene.

On Great Blasket Island, off the coast of Ireland, Ben stays with London couple Dan and Emily, who landed an extraordinary job as island caretakers on Europe's rugged western frontier.

Michael uncovers a secret nuclear bunker used to spy on foreign dignitaries, savours Prague's culinary rebirth following the end of the Cold War, before training up as a puppet master.

Halfway through their trek, Lucy and the team face dense forests and the ever-present threat of elephants, as rations run dangerously low.

Griff explores Tennessee's river power, atomic secrets, and Nashville's country music scene.

On Great Blasket Island, off the coast of Ireland, Ben stays with London couple Dan and Emily, who landed an extraordinary job as island caretakers on Europe's rugged western frontier.

Michael uncovers a secret nuclear bunker used to spy on foreign dignitaries, savours Prague's culinary rebirth following the end of the Cold War, before training up as a puppet master.

Halfway through their trek, Lucy and the team face dense forests and the ever-present threat of elephants, as rations run dangerously low.

The Rev Richard Coles joins Robson to explore the Northumberland coastline. They take a Canadian canoe trip along the River Coquet, and visit the hidden gem of Walkworth's secret hermitage.

Robson is joined by Invictus Games gold medal winner JJ Chalmers in and around the Scottish town of Pitlochry. The pair zipwire across the River Garry and enjoy a husky ride.

Griff explores Tennessee's river power, atomic secrets, and Nashville's country music scene.

The last episode in the series looks at Hokkaido, Japan's northernmost and wildest island. It takes tough animals and people to survive in this ever-changing place.

Halfway through their trek, Lucy and the team face dense forests and the ever-present threat of elephants, as rations run dangerously low.

Michael uncovers a secret nuclear bunker used to spy on foreign dignitaries, savours Prague's culinary rebirth following the end of the Cold War, before training up as a puppet master.

In Shenzhen and Hong Kong, Ben sees a dazzling drone show, explores Huaqiangbei Market, visits 'coffin homes', has coffee made by a robot barista and considers tech's environmental cost.

In Arizona, lightning strikes from so high above the ground, through such clear air, that it creates the perfect conditions for the most electrifying show on Earth.

The last episode in the series looks at Hokkaido, Japan's northernmost and wildest island. It takes tough animals and people to survive in this ever-changing place.

In Senegal, West Africa, live a group of chimpanzees, led by an alpha male named David. He has already been alpha for 3 years - a time when leaders here are usually overthrown.

In Shenzhen and Hong Kong, Ben sees a dazzling drone show, explores Huaqiangbei Market, visits 'coffin homes', has coffee made by a robot barista and considers tech's environmental cost.

In Arizona, lightning strikes from so high above the ground, through such clear air, that it creates the perfect conditions for the most electrifying show on Earth.

Michael uncovers a secret nuclear bunker used to spy on foreign dignitaries, savours Prague's culinary rebirth following the end of the Cold War, before training up as a puppet master.

The last episode in the series looks at Hokkaido, Japan's northernmost and wildest island. It takes tough animals and people to survive in this ever-changing place.

Griff explores Tennessee's river power, atomic secrets, and Nashville's country music scene.

Michael ventures off the beaten track to unearth Prague's subterranean treasures, is mesmerised backstage at an acrobatic circus, and delves deep into the city's historic Jewish Quarter.

In the jungles of north west India, there lives a remarkable wild tiger family. Now, using 50 years of footage, the story of their matriarchal clan is pieced together.

Stanley Tucci visits Puglia, a region famous for its fragrant olive oil, beautiful vegetables, cheeses and durum wheat.

Cyril encounters a surfer who survived a bull shark attack. He fishes South Africa's murky waters at sunset, hoping to avoid falling prey to a predator.

Michael ventures off the beaten track to unearth Prague's subterranean treasures, is mesmerised backstage at an acrobatic circus, and delves deep into the city's historic Jewish Quarter.

In the jungles of north west India, there lives a remarkable wild tiger family. Now, using 50 years of footage, the story of their matriarchal clan is pieced together.

Stanley Tucci visits Puglia, a region famous for its fragrant olive oil, beautiful vegetables, cheeses and durum wheat.

Cyril encounters a surfer who survived a bull shark attack. He fishes South Africa's murky waters at sunset, hoping to avoid falling prey to a predator.

Michael ventures off the beaten track to unearth Prague's subterranean treasures, is mesmerised backstage at an acrobatic circus, and delves deep into the city's historic Jewish Quarter.

In the jungles of north west India, there lives a remarkable wild tiger family. Now, using 50 years of footage, the story of their matriarchal clan is pieced together.

Griff explores Tennessee's river power, atomic secrets, and Nashville's country music scene.

Cyril encounters a surfer who survived a bull shark attack. He fishes South Africa's murky waters at sunset, hoping to avoid falling prey to a predator.

The Rev Richard Coles joins Robson to explore the Northumberland coastline. They take a Canadian canoe trip along the River Coquet, and visit the hidden gem of Walkworth's secret hermitage.

Robson is joined by Invictus Games gold medal winner JJ Chalmers in and around the Scottish town of Pitlochry. The pair zipwire across the River Garry and enjoy a husky ride.

In Arizona, lightning strikes from so high above the ground, through such clear air, that it creates the perfect conditions for the most electrifying show on Earth.

Michael ventures off the beaten track to unearth Prague's subterranean treasures, is mesmerised backstage at an acrobatic circus, and delves deep into the city's historic Jewish Quarter.

Stanley Tucci visits Puglia, a region famous for its fragrant olive oil, beautiful vegetables, cheeses and durum wheat.

The Rev Richard Coles joins Robson to explore the Northumberland coastline. They take a Canadian canoe trip along the River Coquet, and visit the hidden gem of Walkworth's secret hermitage.

Robson is joined by Invictus Games gold medal winner JJ Chalmers in and around the Scottish town of Pitlochry. The pair zipwire across the River Garry and enjoy a husky ride.

Ash Dykes gears up for unique experiences-wrestling an Inner Mongolian champion in the Gobi Desert, and witnessing wild horse races at the Nadaam Festival.

In Arizona, lightning strikes from so high above the ground, through such clear air, that it creates the perfect conditions for the most electrifying show on Earth.

Emperor penguins battle for survival against the worst winter in the world. Working together can they protect and feed their chicks till they reach adulthood?

Stanley Tucci visits Puglia, a region famous for its fragrant olive oil, beautiful vegetables, cheeses and durum wheat.

In the jungles of north west India, there lives a remarkable wild tiger family. Now, using 50 years of footage, the story of their matriarchal clan is pieced together.

In Arizona, lightning strikes from so high above the ground, through such clear air, that it creates the perfect conditions for the most electrifying show on Earth.

Michael ventures off the beaten track to unearth Prague's subterranean treasures, is mesmerised backstage at an acrobatic circus, and delves deep into the city's historic Jewish Quarter.

Ash Dykes gears up for unique experiences-wrestling an Inner Mongolian champion in the Gobi Desert, and witnessing wild horse races at the Nadaam Festival.

Stanley Tucci visits Puglia, a region famous for its fragrant olive oil, beautiful vegetables, cheeses and durum wheat.

Michael braves the frozen waters of the Baltic Sea, is immersed in meatballs, seeks royal approval at a banquet fit for a king, and is initiated as a Swede at one of the world's oldest bars.

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.

Michael Portillo travels through the Socialist Republic of Vietnam. Near the formidable imperial city of Hue, Michael meets milliner Mrs Ngo, who teaches him how to make the iconic conical hat.

British travellers flee a ferocious wildfire on the Greek island of Rhodes, while a hailstorm disrupts an outdoor concert in Colorado, giving guests an unexpected show.

Michael braves the frozen waters of the Baltic Sea, is immersed in meatballs, seeks royal approval at a banquet fit for a king, and is initiated as a Swede at one of the world's oldest bars.

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.

Michael Portillo travels through the Socialist Republic of Vietnam. Near the formidable imperial city of Hue, Michael meets milliner Mrs Ngo, who teaches him how to make the iconic conical hat.

British travellers flee a ferocious wildfire on the Greek island of Rhodes, while a hailstorm disrupts an outdoor concert in Colorado, giving guests an unexpected show.

Michael braves the frozen waters of the Baltic Sea, is immersed in meatballs, seeks royal approval at a banquet fit for a king, and is initiated as a Swede at one of the world's oldest bars.

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.

Michael Portillo travels through the Socialist Republic of Vietnam. Near the formidable imperial city of Hue, Michael meets milliner Mrs Ngo, who teaches him how to make the iconic conical hat.

British travellers flee a ferocious wildfire on the Greek island of Rhodes, while a hailstorm disrupts an outdoor concert in Colorado, giving guests an unexpected show.

In the jungles of north west India, there lives a remarkable wild tiger family. Now, using 50 years of footage, the story of their matriarchal clan is pieced together.

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.

In Shenzhen and Hong Kong, Ben sees a dazzling drone show, explores Huaqiangbei Market, visits 'coffin homes', has coffee made by a robot barista and considers tech's environmental cost.

Griff explores Tennessee's river power, atomic secrets, and Nashville's country music scene.

In the jungles of north west India, there lives a remarkable wild tiger family. Now, using 50 years of footage, the story of their matriarchal clan is pieced together.

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.

Professor Brian Cox explores the solar system's misfits and oddballs and investigates the forces that sculpted the bizarre features on these strange worlds.

Griff explores Tennessee's river power, atomic secrets, and Nashville's country music scene.

Stanley Tucci visits Puglia, a region famous for its fragrant olive oil, beautiful vegetables, cheeses and durum wheat.

In Shenzhen and Hong Kong, Ben sees a dazzling drone show, explores Huaqiangbei Market, visits 'coffin homes', has coffee made by a robot barista and considers tech's environmental cost.

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.

The last episode in the series looks at Hokkaido, Japan's northernmost and wildest island. It takes tough animals and people to survive in this ever-changing place.

Professor Brian Cox explores the solar system's misfits and oddballs and investigates the forces that sculpted the bizarre features on these strange worlds.

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.

Michael Portillo travels through the Socialist Republic of Vietnam. Near the formidable imperial city of Hue, Michael meets milliner Mrs Ngo, who teaches him how to make the iconic conical hat.

On Great Blasket Island, off the coast of Ireland, Ben stays with London couple Dan and Emily, who landed an extraordinary job as island caretakers on Europe's rugged western frontier.

Professor Brian Cox explores the solar system's misfits and oddballs and investigates the forces that sculpted the bizarre features on these strange worlds.

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.