BBC Earth

When the Earth first formed from clouds of dust and gas, it was devoid of an atmosphere. But as the young planet is pummelled by asteroids, a period of extraordinary upheaval begins.

Michael's Sicilian adventure sees him dine with a Duchess, journey off-road to discover a wonder of the classical world, and marvel at a golden cathedral with a hidden secret.

Ash Dykes highlights conservation in Mutianyu, visits Shixia's wall protectors, explores tech at Jiankou, and bravely tackles the perilous Eagles Neck climb.

Stanley Tucci visits Piedmont, the region that made the dream of a unified Italy a reality.

Michael hits the beach to cook a secret seafood speciality, discovers a curious open-air library, crafts some incredible cactus-inspired jewellery, and toasts a Hollywood legend.

A tiny chameleon faces the journey of a lifetime in a Madagascan forest, and a water vole in Scotland swims across a loch and scales a mountain to find new territory and a mate.

Michael Portillo steps into the ring under the guidance of champion trainer Master Toddy to learn muay Thai boxing. Can he perfect the cobra-inspired right hook?

Extreme temperatures fuel wildfires on England's east coast, leaving rescue teams overrun.

Michael hits the beach to cook a secret seafood speciality, discovers a curious open-air library, crafts some incredible cactus-inspired jewellery, and toasts a Hollywood legend.

A tiny chameleon faces the journey of a lifetime in a Madagascan forest, and a water vole in Scotland swims across a loch and scales a mountain to find new territory and a mate.

Michael hits the beach to cook a secret seafood speciality, discovers a curious open-air library, crafts some incredible cactus-inspired jewellery, and toasts a Hollywood legend.

A tiny chameleon faces the journey of a lifetime in a Madagascan forest, and a water vole in Scotland swims across a loch and scales a mountain to find new territory and a mate.

Michael Portillo steps into the ring under the guidance of champion trainer Master Toddy to learn muay Thai boxing. Can he perfect the cobra-inspired right hook?

Extreme temperatures fuel wildfires on England's east coast, leaving rescue teams overrun.

Nick's train leaves from Tangier and it's a special one; AL Boraq, which speeds along the high-speed line making its way down the west coast. Al Boraq is run entirely on wind power.

A tiny chameleon faces the journey of a lifetime in a Madagascan forest, and a water vole in Scotland swims across a loch and scales a mountain to find new territory and a mate.

Ben dives into China's history, culture and fast-paced modern life, from the ancient Great Wall to bustling Shanghai, visiting film studios, exploring nightlife, and taking an unofficial bike ride.

Griff explores Charleston's charm, Civil War history, and the legacy of slavery that shaped the Old South.

Nick's train leaves from Tangier and it's a special one; AL Boraq, which speeds along the high-speed line making its way down the west coast. Al Boraq is run entirely on wind power.

A tiny chameleon faces the journey of a lifetime in a Madagascan forest, and a water vole in Scotland swims across a loch and scales a mountain to find new territory and a mate.

Japan's central island of Honshu is home to over 100 million people, but it has a wild heart and an astonishing range of wildlife lives there.

Stanley Tucci visits Piedmont, the region that made the dream of a unified Italy a reality.

Ben dives into China's history, culture and fast-paced modern life, from the ancient Great Wall to bustling Shanghai, visiting film studios, exploring nightlife, and taking an unofficial bike ride.

A tiny chameleon faces the journey of a lifetime in a Madagascan forest, and a water vole in Scotland swims across a loch and scales a mountain to find new territory and a mate.

Japan's central island of Honshu is home to over 100 million people, but it has a wild heart and an astonishing range of wildlife lives there.

Professor Brian Cox explores the solar system's wildest weather, encountering powerful lightning, strange metallic frosts and monsoon rains on a moon a billion kilometres from Earth.

A tiny chameleon faces the journey of a lifetime in a Madagascan forest, and a water vole in Scotland swims across a loch and scales a mountain to find new territory and a mate.

Michael Portillo steps into the ring under the guidance of champion trainer Master Toddy to learn muay Thai boxing. Can he perfect the cobra-inspired right hook?

Ben encounters the mighty Congo River for the first time. A trade super-highway, this great river allowed 19th century Europeans to plunder the resources of Central Africa.

Professor Brian Cox explores the solar system's wildest weather, encountering powerful lightning, strange metallic frosts and monsoon rains on a moon a billion kilometres from Earth.

A tiny chameleon faces the journey of a lifetime in a Madagascan forest, and a water vole in Scotland swims across a loch and scales a mountain to find new territory and a mate.

Ben encounters the mighty Congo River for the first time. A trade super-highway, this great river allowed 19th century Europeans to plunder the resources of Central Africa.

Stanley Tucci visits Piedmont, the region that made the dream of a unified Italy a reality.

Professor Brian Cox explores the solar system's wildest weather, encountering powerful lightning, strange metallic frosts and monsoon rains on a moon a billion kilometres from Earth.

Nick's train leaves from Tangier and it's a special one; AL Boraq, which speeds along the high-speed line making its way down the west coast. Al Boraq is run entirely on wind power.

Ben encounters the mighty Congo River for the first time. A trade super-highway, this great river allowed 19th century Europeans to plunder the resources of Central Africa.

Stanley Tucci visits Piedmont, the region that made the dream of a unified Italy a reality.

Ben dives into China's history, culture and fast-paced modern life, from the ancient Great Wall to bustling Shanghai, visiting film studios, exploring nightlife, and taking an unofficial bike ride.

Ash Dykes highlights conservation in Mutianyu, visits Shixia's wall protectors, explores tech at Jiankou, and bravely tackles the perilous Eagles Neck climb.

Griff explores Charleston's charm, Civil War history, and the legacy of slavery that shaped the Old South.

Japan's central island of Honshu is home to over 100 million people, but it has a wild heart and an astonishing range of wildlife lives there.

Michael Portillo steps into the ring under the guidance of champion trainer Master Toddy to learn muay Thai boxing. Can he perfect the cobra-inspired right hook?

A tiny chameleon faces the journey of a lifetime in a Madagascan forest, and a water vole in Scotland swims across a loch and scales a mountain to find new territory and a mate.

Griff explores Charleston's charm, Civil War history, and the legacy of slavery that shaped the Old South.

Ash Dykes highlights conservation in Mutianyu, visits Shixia's wall protectors, explores tech at Jiankou, and bravely tackles the perilous Eagles Neck climb.

Stanley Tucci visits Piedmont, the region that made the dream of a unified Italy a reality.

Michael Portillo steps into the ring under the guidance of champion trainer Master Toddy to learn muay Thai boxing. Can he perfect the cobra-inspired right hook?

Ash Dykes highlights conservation in Mutianyu, visits Shixia's wall protectors, explores tech at Jiankou, and bravely tackles the perilous Eagles Neck climb.

Japan's central island of Honshu is home to over 100 million people, but it has a wild heart and an astonishing range of wildlife lives there.

Stanley Tucci visits Piedmont, the region that made the dream of a unified Italy a reality.

Ash Dykes highlights conservation in Mutianyu, visits Shixia's wall protectors, explores tech at Jiankou, and bravely tackles the perilous Eagles Neck climb.

Ben dives into rural China's story across Sichuan and Yunnan: taking in Taoism, a search for the giant panda, travel by bullet train, rice terraces and tea mountains.

Michael Portillo steps into the ring under the guidance of champion trainer Master Toddy to learn muay Thai boxing. Can he perfect the cobra-inspired right hook?

Griff explores Charleston's charm, Civil War history, and the legacy of slavery that shaped the Old South.

Ash Dykes highlights conservation in Mutianyu, visits Shixia's wall protectors, explores tech at Jiankou, and bravely tackles the perilous Eagles Neck climb.

Griff explores Charleston's charm, Civil War history, and the legacy of slavery that shaped the Old South.

Ben dives into rural China's story across Sichuan and Yunnan: taking in Taoism, a search for the giant panda, travel by bullet train, rice terraces and tea mountains.

When the Earth first formed from clouds of dust and gas, it was devoid of an atmosphere. But as the young planet is pummelled by asteroids, a period of extraordinary upheaval begins.

Extreme temperatures fuel wildfires on England's east coast, leaving rescue teams overrun.

A tiny chameleon faces the journey of a lifetime in a Madagascan forest, and a water vole in Scotland swims across a loch and scales a mountain to find new territory and a mate.