Ancient Astronauts

David Attenborough and scientist Johan Rockström examine Earth's biodiversity collapse and how this crisis can still be averted.

“Let nature be nature” is the philosophy of the Bavarian Forest National Park. Despite massive resistance, this vision has become a...

Packed with a potent neurotoxic venom, one family of snakes kill more people than any other on earth. Scientists around the world race to uncover how.

Rwanda was once a country of peace, beauty and fabulous wildlife. Romain Baertsoen arrived there in 1966 and started to film two of Rwanda's secrets,...

Weaving together dozens of professional and amateur archival sources, along with dramatic interviews with the people behind the cameras, Witness:...

“Entourage” star Adrian Grenier ventures to Cocos Island off the shore of Costa Rica to bring attention to the plight of endangered...

Coral reefs are believed by many to have the highest biodiversity of any ecosystem on the planet. A lot of the life found here can seem very alien at...

Baldwin’s “pseudo-pseudo-documentary” presents a factual chronicle of US intervention in Latin America in the form of the ultimate...

Lynx, fallow deer, kingfishers and otters - experience the rich wildlife and the changing seasons throughout the year in Småland's extensive...

A clash of true oceanic titans sees fights in the remote battlefields of Ascension Island. Tuna are often faster, fitter and bigger than the sharks.

A routine drone survey turns deadly when Ryan Johnson, a marine biologist based in South Africa, films a humpback whale being attacked and...