In the 1950s and early '60s, a small band of high-altitude pioneers exposed themselves to the extreme forces of the space age long before NASA's acclaimed Mercury 7 would make headlines. Though largely forgotten today, balloonists were the first to venture into the frozen near-vacuum on the edge of our world, exploring the very limits of human physiology and human ingenuity in this lethal realm.

Social isolation affects millions of people, even Mars-bound astronauts. A savvy NASA psychologist i...

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

Spacecraft OSIRIS-REx attempts to grab a piece of an asteroid to bring back to Earth so scientists c...

Before the joint NASA/ESA Cassini-Huygens mission, humanity only knew what had been learned, decades...

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

A testament to NASA's Apollo program of the 1960s and '70s. Composed of actual NASA footage of the m...

July 1969. America made history and sent the first humans to the moon. High-quality NASA footage and...

The Space Race comes alive through the eyes of the ultimate insider - retired NASA Mission Control F...

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

Using original footage and interviews, this documentary tells the nail-biting story of Apollo 13 and...

The Apollo 17 mission was the final opportunity to collect first hand information about the history ...
Produced by NASA contractor Rockwell International, this circa 1978 film was made shortly before the...

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

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

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

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

How an electric lineman's tool manufacturer in Centralia, Missouri, helped save the first American s...

A group of maverick scientists on a remote Australian sheep farm are the globe's only hope for obtai...

In the summer of 1977, NASA sent Voyager 1 and Voyager 2 on an epic journey into interstellar space....

At the dawn of the Space Race, seven test pilots set out to become the first American astronauts to ...