Together to Mars?

How can structures, which take up defined, rigid portions of space, make us feel transcendence? How can chapels turn into places of introspection?...

A valuable medallion believed to prove that aliens from outer space visited Earth in prehistoric times is sought.

The first Cylon war has been raging for 10 years and a young Ensign William Adama joins the fleet. Disappointed not to be assigned to a fighter but...

Wicket the Ewok and his friends agree to help two shipwrecked human children, Mace and Cindel, on a quest to find their parents.

"The World's Most Powerful Telescopes" is a research expedition across the southern firmament. The science documentary shows the powerful telescopes...

Bill Nye is retiring his kid show act in a bid to become more like his late professor, astronomer Carl Sagan. Sagan dreamed of launching a spacecraft...

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.

After ignoring death for most of our history, the medical and scientific communities have begun to focus their attention on how our bodies behave on...

If machines can be smarter than people, is humanity really anything special?

On July 16, 1969, hundreds of thousands of spectators and an army of reporters gathered at Cape Kennedy to witness one of the great spectacles of the...