Revealing terrifying accidents, fights for survival, and stories of close calls and near misses by the astronauts who survived them. This series offers chilling accounts of the challenges of space exploration as told only by the explorers who lived them and the men and women in mission control who helped each team avert disaster.

Bill Pullman introduces and narrates this four-part documentary on the world's first national park, ...

Here is where you'll witness some of the most deadly situations ever caught on tape and put your sur...

Carl Sagan covers a wide range of scientific subjects, including the origin of life and a perspectiv...

Life's extraordinary journey to conquer, adapt and survive on Earth across billions of years comes a...

For thousands of years, man lived wild. He made fire, built shelter, and hunted food with his own tw...

Viewers go deep into an Alaskan winter to meet six tough and resilient residents as they try to stay...

When winter slams into the highways of the American Rockies, heavy recovery specialists from four co...

Surviving Disaster is unlike any other series on television, as it may actually save a life. What's ...

A journey like no other, full of risk and reward. David Attenborough tells stories of dedication, in...

Chaos and catastrophe can strike the globe anywhere and at any time; you never know when you'll be c...

Follows the bears of Alaska's Katmai National Park as they bulk up for winter hibernation. Over 150 ...

Brian Greene is going to let you in on a secret: We've all been deceived. Our perceptions of time an...

Amazing survival stories from those who stood at the threshold between life and death, and also happ...

Hawking gives us the ultimate guide to the universe, a ripping yarn based on real science, spanning ...

From the planets to the stars and out to the edge of the unknown, history and science collide in a w...

Hazen Audel embarks on an epic trek that will mirror a traditional Berber nomad journey across the S...

Survival expert Bear Grylls puts himself into potentially life-threatening situations to show the ho...

Mykel Hawke is a former Special Forces survival expert. His wife Ruth is a television journalist. To...

Engineers, officials and the crew members' families provide their perspective on the 1986 Space Shut...