Looking for Life on Mars

The captivating tales of the people and events behind one of humanity's greatest achievements in exploration: NASA's Voyager mission.

National Geographic's riveting effort recounts all 12 crewed missions using only archival footage, photos and audio.

It contains 99.9 percent of all the matter in our solar system and sheds hot plasma at nearly a million miles an hour. The temperature at its core is...

Recently discovered footage reveals the secret history of NASA's first landing on the moon, and using this brand-new evidence, former astronauts and...

From the unique vantage point of 200 miles above Earth's surface, we see how natural forces - volcanoes, earthquakes and hurricanes - affect our...

The 1960s was an extraordinary time for the United States. Unburdened by post-war reparations, Americans were preoccupied with other developments...

An uplifting documentary that explores the human element behind Vietnam’s resurgence as one of the fastest growing economies in the world.

Never-before-aired NASA footage presents evidence that the Moon is being used as a base.

The remarkable story of the determination and courage of a generation. A tribute to three brave astronauts and the thousands of men and women behind...

Twelve men who belong to one of the world's most exclusive fraternities -- people who've walked on the surface of the moon -- are paid homage in this...

With access to the scientists and engineers responsible for the Curiosity rover's on-the-ground experiments, NOVA captures its landing on Mars

The Academy Award® nominee Cosmic Voyage combines live action with state-of-the-art computer-generated imagery to pinpoint where humans fit in...