The Most Powerful Black Holes in the Universe

Every year, thousands of Antarctica's emperor penguins make an astonishing journey to breed their young. They walk, marching day and night in single...

A documentary on Al Gore's campaign to make the issue of global warming a recognized problem worldwide.

Moon Crab is a meditation on the horseshoe crab, one of Earth's oldest living species now struggling with extreme population decline. Blending...

A dazzling journey through time via the remarkable images of National Geographic photographer Frans Lanting and his epic "LIFE" project, which...

The highest mountain range in the world, the Himalayan range is far reaching, spanning thousands of miles, and holds within it an exceptionally...

Follows the story of "Grizzly Man" Timothy Treadwell and what the thirteen summers in a National Park in Alaska were like in his attempt to protect...

Dramatization of Muir’s struggle to preserve our scenic wonders.

A young film crew searches for ways out of the climate crisis. In different cities they meet people who commit their lives to preserving our...

This astounding documentary delves into the mysteries of the Tunguska event – one of the largest cosmic disasters in the history of...

Partly adapted from cosmologist Stephen Hawking's popular book about his theories of the universe, this in-depth documentary also presents Hawking's...

Following in the footsteps of Charles Darwin, Heinz Sielmann traveled to the bizarre volcanic islands of Galapagos. The multi-award-winning film...