BBC Earth

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.

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.

Kayaking the white water of the Russian peninsula of Kamchatka; examining brown bears in the wilderness.

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.

Valentine's Day at the rehab.

Traipsing along ancient pathways crisscrossing Easter Island; finding gigantic designs carved into Asia's Eastern Steppe; ascending a tall pyramid rising from Antarctica's icy landscape.

The jungle, underwater caves and lush everglades of the Yucatán shelter Mexico's largest predator, Morelet's crocodile.

Valentine's Day at the rehab.

Traipsing along ancient pathways crisscrossing Easter Island; finding gigantic designs carved into Asia's Eastern Steppe; ascending a tall pyramid rising from Antarctica's icy landscape.

The jungle, underwater caves and lush everglades of the Yucatán shelter Mexico's largest predator, Morelet's crocodile.

Valentine's Day at the rehab.

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.

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.

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

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.

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.

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.

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

The story behind David Attenborough's wildlife documentary series "Life on Earth," which changed his life forever.

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.

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

The story behind David Attenborough's wildlife documentary series "Life on Earth," which changed his life forever.

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.

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

The story behind David Attenborough's wildlife documentary series "Life on Earth," which changed his life forever.

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.

Hope scrambles to save the animals when a burglar busts down the door to the rehab, as the spring baby boom brings in a flood of injured and orphaned animals.

Exploring some of the most cavernous places on the planet, including an expansive Siberian crater with no explainable origin, Greenland's bizarre black holes, an ancient forbidden well in the Yemeni desert, and a voluminous void in Antarctica.

In the heart of central Mexico, lies Sierra Gorda, a region that is home to bobcats, pumas and flying squirrels.

Hope scrambles to save the animals when a burglar busts down the door to the rehab, as the spring baby boom brings in a flood of injured and orphaned animals.

Exploring some of the most cavernous places on the planet, including an expansive Siberian crater with no explainable origin, Greenland's bizarre black holes, an ancient forbidden well in the Yemeni desert, and a voluminous void in Antarctica.

In the heart of central Mexico, lies Sierra Gorda, a region that is home to bobcats, pumas and flying squirrels.

Hope scrambles to save the animals when a burglar busts down the door to the rehab, as the spring baby boom brings in a flood of injured and orphaned animals.

Alaskans face uncertainty in their quest to thrive in the warm season.

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.

Make your way through three of the world's most extreme environments: the salt flats of Bolivia, the Brazilian Pantanal and Paraguay's Chaco Forest; face down an apex predator, witness an economic miracle and meet the resilient Ayoreo people.

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.

Make your way through three of the world's most extreme environments: the salt flats of Bolivia, the Brazilian Pantanal and Paraguay's Chaco Forest; face down an apex predator, witness an economic miracle and meet the resilient Ayoreo people.

From dolphins to cuttlefish, ocean animals possess emotions and behavior similar to humans, including the capacity to love, grieve, deceive and invent.

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 and the strange animals that can be found there.

Levison Wood sets out to walk the length of the River Nile from source to sea; his nine-month, seven-million-step journey takes him through jungles, savannah, deserts, cities and war zones in some of Africa's most remote and spectacular locations.

From dolphins to cuttlefish, ocean animals possess emotions and behavior similar to humans, including the capacity to love, grieve, deceive and invent.

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 and the strange animals that can be found there.