BBC Earth

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.

The earth is a machine with its moving parts buried deep beyond our sight; revealing what is beneath our feet.

A breathtaking journey down the German section of the beautiful Moselle river, famous for vineyards on its dramatically steep banks and remarkable meandering loops.

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.

Innovative efforts to confront climate change in Australia, Brazil, California and Kenya; with Dr. M. Sanjayan.

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 tries to save an injured fawn.

Puzzle over an out-of-place relic from World War II and get a bird's-eye view of stone circles in Norway; examine mysterious, ancient mounds on the banks of the Mississippi and uncover the dark history of a medieval English village.

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

Hope tries to save an injured fawn.

The view from above reveals baffling behavior from one of the ocean's fastest fish; whales with a strange, aquatic accessorizing habit; a confounding congregation of sharks down under; a perplexing collection of circles decorating the seabed.

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

Hope tries to save an injured fawn.

Daylight returns to the Arctic, bringing new opportunities for residents.

Simon looks back on some of the most dangerous situations he's experienced.

Brave the constant wind, rain, and snow that pummels the foot of South America; Cross treacherous ice fields that are losing ground due to climate change, push through the foothills of the Andes, and ride alongside Patagonia's legendary gauchos.

Simon travels through the high Andes mountains from Peru to Bolivia.

Simon looks back on some of the most dangerous situations he's experienced.

Brave the constant wind, rain, and snow that pummels the foot of South America; Cross treacherous ice fields that are losing ground due to climate change, push through the foothills of the Andes, and ride alongside Patagonia's legendary gauchos.

Simon travels through the high Andes mountains from Peru to Bolivia.

Spy creatures reveal an ocean full of intelligence and ways of thinking, including large-brained whales, smart octopi, diving monkeys, creative fish and other intelligent animals.

Levison and Alberto explore a vampire bat-infested cave, the Panama Canal and modern Panama City.

Take a look at the consequences of the great thaw; search for lost land bridges, find out how creatures coped with all the new liquid water that surrounded them; learn what may happen if the planet plunges into another ice age.

Spy creatures reveal an ocean full of intelligence and ways of thinking, including large-brained whales, smart octopi, diving monkeys, creative fish and other intelligent animals.

Levison and Alberto explore a vampire bat-infested cave, the Panama Canal and modern Panama City.

Levison and Alberto explore a vampire bat-infested cave, the Panama Canal and modern Panama City.

Spy creatures reveal an ocean full of intelligence and ways of thinking, including large-brained whales, smart octopi, diving monkeys, creative fish and other intelligent animals.

Simon looks back on some of the most dangerous situations he's experienced.

Brave the constant wind, rain, and snow that pummels the foot of South America; Cross treacherous ice fields that are losing ground due to climate change, push through the foothills of the Andes, and ride alongside Patagonia's legendary gauchos.

Simon travels through the high Andes mountains from Peru to Bolivia.

Two birds with wing injuries.

Encounter abandoned pods that may have been designed by alien architects; explore a mysterious concrete channel in Bosnia; weave through a complex of odd shapes in Greenland; meet the mythical guardian of a Vietnamese building.

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

Two birds with wing injuries.

Encounter abandoned pods that may have been designed by alien architects; explore a mysterious concrete channel in Bosnia; weave through a complex of odd shapes in Greenland; meet the mythical guardian of a Vietnamese building.

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

Two birds with wing injuries.

For more than 25 years, the shuttle was our ticket to space and our laboratory in orbit.

The vast majority of information being gathered about Mars is by orbiters chronicling everything they can.

Borneo is the richest rainforest island of all; home to 40,000 species of plants and animals, 6,000 of them are unique, and more are discovered almost daily.

Innovative efforts to confront climate change in Australia, Brazil, California and Kenya; with Dr. M. Sanjayan.

For more than 25 years, the shuttle was our ticket to space and our laboratory in orbit.

The vast majority of information being gathered about Mars is by orbiters chronicling everything they can.

Spy creatures reveal an ocean full of intelligence and ways of thinking, including large-brained whales, smart octopi, diving monkeys, creative fish and other intelligent animals.

Levison and Alberto explore a vampire bat-infested cave, the Panama Canal and modern Panama City.

Take a look at the consequences of the great thaw; search for lost land bridges, find out how creatures coped with all the new liquid water that surrounded them; learn what may happen if the planet plunges into another ice age.

Head out with a team of intrepid scientists on a daring expedition off Western Australia's Pilbara coast; Slither into the heart of danger with Dr. Ann, who gets too close for comfort to one of the nation's most mysterious and lethal serpents.

Venus offers a complex story with its thick atmosphere and a substantial amount of matter.

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.

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

Head out with a team of intrepid scientists on a daring expedition off Western Australia's Pilbara coast; Slither into the heart of danger with Dr. Ann, who gets too close for comfort to one of the nation's most mysterious and lethal serpents.

Venus offers a complex story with its thick atmosphere and a substantial amount of matter.

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.

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

Head out with a team of intrepid scientists on a daring expedition off Western Australia's Pilbara coast; Slither into the heart of danger with Dr. Ann, who gets too close for comfort to one of the nation's most mysterious and lethal serpents.

Venus offers a complex story with its thick atmosphere and a substantial amount of matter.

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.

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

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

A group of weasels is ready to be released; a volunteer attempts to rescue an eagle; a gull flies free.

Strange aquatic mammals populating a river in Columbia; a ship marooned in a sea of sand along Namibia's notorious Skeleton Coast; a Boeing 727 jetliner hidden in a pine forest; an unusual pattern is discovered in the Nevada desert.

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

A group of weasels is ready to be released; a volunteer attempts to rescue an eagle; a gull flies free.

Strange aquatic mammals populating a river in Columbia; a ship marooned in a sea of sand along Namibia's notorious Skeleton Coast; a Boeing 727 jetliner hidden in a pine forest; an unusual pattern is discovered in the Nevada desert.

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

A group of weasels is ready to be released; a volunteer attempts to rescue an eagle; a gull flies free.

The earth is a machine with its moving parts buried deep beyond our sight; revealing what is beneath our feet.

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.

Naturalist and explorer Steve Backshall takes on four new adventures to remote parts of the planet, including Saudi Arabia, Gabon and Mexico.

Brave the constant wind, rain, and snow that pummels the foot of South America; Cross treacherous ice fields that are losing ground due to climate change, push through the foothills of the Andes, and ride alongside Patagonia's legendary gauchos.

Head out with a team of intrepid scientists on a daring expedition off Western Australia's Pilbara coast; Slither into the heart of danger with Dr. Ann, who gets too close for comfort to one of the nation's most mysterious and lethal serpents.

Venus offers a complex story with its thick atmosphere and a substantial amount of matter.

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.

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

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.

Sir David Attenborough reveals new animal behaviors in the ocean.

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

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.

Sir David Attenborough reveals new animal behaviors in the ocean.

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

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.

Sir David Attenborough reveals new animal behaviors in the ocean.

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

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

Preparations for the annual open house.

An enormous fiery vortex in Redding, Calif.; the island nation of Malta loses a natural treasure; a mysterious radioactive hotspot is discovered near Chernobyl; an unknown force lays waste to a mountain forest in Italian Alps.

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.

Preparations for the annual open house.

An enormous fiery vortex in Redding, Calif.; the island nation of Malta loses a natural treasure; a mysterious radioactive hotspot is discovered near Chernobyl; an unknown force lays waste to a mountain forest in Italian Alps.

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.

Preparations for the annual open house.

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.

Take a look at the consequences of the great thaw; search for lost land bridges, find out how creatures coped with all the new liquid water that surrounded them; learn what may happen if the planet plunges into another ice age.

The earth is a machine with its moving parts buried deep beyond our sight; revealing what is beneath our feet.

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.

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.

Sir David Attenborough reveals new animal behaviors in the ocean.

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

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.

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

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.

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

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.

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

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.

Two orphaned bobcats struggle to bond.

A long-forgotten network of Native American earthworks; a baffling battlefield mystery in Belgium; a mysterious blood-red lake on a remote Greek island; an eerie pink glow emulating from the middle of the Pacific Ocean.

Ireland is small but epic in wonder; surrounded by the Atlantic Ocean, from the Cliffs of Moher to the extraordinary Giant's Causeway, this land has been shaped and reshaped by both the power of water and violent geological forces.

Two orphaned bobcats struggle to bond.

A long-forgotten network of Native American earthworks; a baffling battlefield mystery in Belgium; a mysterious blood-red lake on a remote Greek island; an eerie pink glow emulating from the middle of the Pacific Ocean.

Ireland is small but epic in wonder; surrounded by the Atlantic Ocean, from the Cliffs of Moher to the extraordinary Giant's Causeway, this land has been shaped and reshaped by both the power of water and violent geological forces.

Two orphaned bobcats struggle to bond.

Head out with a team of intrepid scientists on a daring expedition off Western Australia's Pilbara coast; Slither into the heart of danger with Dr. Ann, who gets too close for comfort to one of the nation's most mysterious and lethal serpents.

Venus offers a complex story with its thick atmosphere and a substantial amount of matter.

Spy creatures reveal an ocean full of intelligence and ways of thinking, including large-brained whales, smart octopi, diving monkeys, creative fish and other intelligent animals.

Levison and Alberto explore a vampire bat-infested cave, the Panama Canal and modern Panama City.

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

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.

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

The same 92 elements that exist on Earth can be found throughout the cosmos.

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 same 92 elements that exist on Earth can be found throughout the cosmos.

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 same 92 elements that exist on Earth can be found throughout the cosmos.

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.

Ireland is small but epic in wonder; surrounded by the Atlantic Ocean, from the Cliffs of Moher to the extraordinary Giant's Causeway, this land has been shaped and reshaped by both the power of water and violent geological forces.

Hope finally moves into the new rehab and the old buildings come down.

Dive into the historical and natural secrets of the deep; explore an uninhabited concrete island, ocean spirals off the Australian coast, underwater evidence of a violent past and tracks thousands of metres below the sea's surface.

From the icy peaks of age-old mountain glaciers to the fog-shrouded canopies of Canada's only rainforest, it's the wettest place in North America.

Hope finally moves into the new rehab and the old buildings come down.

Dive into the historical and natural secrets of the deep; explore an uninhabited concrete island, ocean spirals off the Australian coast, underwater evidence of a violent past and tracks thousands of metres below the sea's surface.

From the icy peaks of age-old mountain glaciers to the fog-shrouded canopies of Canada's only rainforest, it's the wettest place in North America.

Hope finally moves into the new rehab and the old buildings come down.

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.

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

Levison and Alberto explore a vampire bat-infested cave, the Panama Canal and modern Panama City.

The same 92 elements that exist on Earth can be found throughout the cosmos.

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.

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.

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.