John Glenn goes on another journey into outer space for tests on how old age is affected there. His whole life is chronicled in this informative documentary, from his first mission above to his experience as a senator and finally, his blast into space at age 77.

In the year 1957 the cold war expands to space. The Soviet-Union sends Sputnik as the first manmade ...

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

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

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

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

This documentary by Theo Kamecke from 1970 gives an in-depth and profound look at the Apollo 11 miss...

European Space Agency astronaut Alexander Gerst and his NASA colleague Reid Wiseman are launched int...

Horizon visits state-of-the-art laboratories and uses CGI to recreate the science-fiction-worthy wea...

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

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

A new age of space exploration, and exploitation, is dawning. But surprisingly, some of the boldest ...

NASA's biggest spacecraft, Cassini, plunges into Saturn in the final act of a 20-year mission showca...

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

The New Horizons team examines the latest findings and imagery from Pluto and the fringes of our sol...

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

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

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

The Dream Is Alive takes you into space alongside the astronauts on the space shuttle. Share with th...

On January 28, 1986, NASA Challenger mission STS-51-L ended in tragedy when the shuttle exploded 73 ...

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