Pluto encounter

Aspiring teenage astronauts reveal that a journey to Mars is closer than you think.

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

This series also covers the essential concepts of astronomy: gravity, the light spectrum, Earth's magnetic field, the solar system, the sun, Kepler's...

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.

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...

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

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

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

In an age when misinformation, alternative facts, and conspiracy theories have become mainstream, UFOs have risen to become one of the most-talked...

Computer animation and footage from NASA space missions explain how our solar system evolved and the place Earth has within the system.