Pluto encounter

William Shatner presents a light-hearted look at how the "Star Trek" TV series have influenced and inspired today's technologies, including: cell...

China's FAST (Five-hundred-meter Aperture Spherical Telescope) can detect radio signals emitted tens of thousands of light-years away, and engineers...

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

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...

Archival material from the original NASA film footage – much of it seen for the first time – plus interviews with the surviving...

Travel alongside the astronauts as they deploy and repair the Hubble Space Telescope, soar above Venus and Mars, and find proof of new planets and...

The Seventh Doctor becomes the Eighth. And on the streets of San Francisco – alongside new ally Grace Holloway - he battles the Master.

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

In one single, epic camera move we journey from Earth's surface to the outermost reaches of the universe on a grand tour of the cosmos, to explore...

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

A series of programs designed for the adult layman who has a curiosity about the skies and the makeup of the universe in which we live. The terms...