NASA launches its most ambitious hunt for traces of life on Mars, landing a car-sized rover in a rocky, ancient river delta. The rover will stow samples for possible return to Earth and test technology that may pave the way for human travel to Mars.

Moonscape is a free and freely downloadable high-definition documentary about the first manned Moon ...

From the unique vantage point of 200 miles above Earth's surface, we see how natural forces - volcan...

Some 220 miles above Earth lies the International Space Station, a one-of-a-kind outer space laborat...

Discovered about twenty years ago, the immense masses of water vapor that fly over the Amazon, calle...

Sally Ride's groundbreaking journey as the first American woman in space concealed a deeply personal...

Ring of Fire is about the immense natural force of the great circle of volcanoes and seismic activit...

Explores achievements of Eileen Collins, the first woman to pilot and command a spacecraft, paving t...

Forensic experts scan Pompeii’s victims to investigate why they didn’t escape the eruption.

Join the Mars rovers Spirit and Opportunity for an awe-inspiring journey to the surface of the myste...

How were the giant stone heads of Rapa Nui – also known as Easter Island – carved and raised, and wh...

The dynamic meeting of solid science and futuristic simulation culminates in a dramatic exploration ...

An epic journey around Mars — built from real satellite and rover data — revealing the red planet as...

With access to the scientists and engineers responsible for the Curiosity rover's on-the-ground expe...

The world's leading Egyptologists are on a quest to uncover the secrets of Howard Carter's history-m...

The first American space station Skylab is found in pieces scattered in Western Australia. Putting t...

The 1960s was an extraordinary time for the United States. Unburdened by post-war reparations, Ameri...

Director Dan Farah got 34 senior members of the U.S. Government, military, and intelligence communit...

A featurette detailing NASA's plans for putting humans on Mars over the next twenty or thirty years,...