Searching for Skylab, America's Forgotten Triumph

Three chimps are sent into space to explore the possibility of alien life when an unmanned space shuttle crash lands on an uncharted planet.

In 1839, the slave ship Amistad set sail from Cuba to America. During the long trip, Cinque leads the slaves in an unprecedented uprising. They are...

With King Richard off to the Crusades, Prince John and his slithering minion, Sir Hiss, set about taxing Nottingham's citizens with support from the...

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

A look at the evolution of Albert Einstein's theory of relativity, and Einstein's relationship with British scientist Sir Arthur Eddington, the first...

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

Never-before-heard audio tapes recorded with Neil Armstrong during the final years of his life reveal an intimate portrait of this iconic - and...

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...

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

The true story of how businessman Oskar Schindler saved over a thousand Jewish lives from the Nazis while they worked as slaves in his factory during...