Hubble: The Greatest Show in the Universe

Twelve men who belong to one of the world's most exclusive fraternities -- people who've walked on the surface of the moon -- are paid homage in this...

Are the manned moon landings of Apollo one of the greatest hoaxes ever devised - perhaps even the greatest government conspiracy of all time? Were...

Horizon visits state-of-the-art laboratories and uses CGI to recreate the science-fiction-worthy weather experienced on other planets.

National Geographic and NASA are sending you into space - live! For the first time ever, board the International Space Station and take a complete...

In a studio setting, Stephen Hawking, Arthur C. Clarke and Carl Sagan (who joins them via satellite) discuss the Big Bang theory, God, our existence...

An epic journey around Mars — built from real satellite and rover data — revealing the red planet as you’ve never seen it before.

What if you could get behind the wheel and race through space? We scale down the Solar System to the continental United States and place the planets...

Capturing CO2 to recycle it, brightening clouds to better intercept sunlight, massive reforestation: here's an overview of scientific solutions to...

In the year 1957 the cold war expands to space. The Soviet-Union sends Sputnik as the first manmade object into earth-orbit. 3 years later Yuri...

The 1960s was an extraordinary time for the United States. Unburdened by post-war reparations, Americans were preoccupied with other developments...

In unusual circumstances, scientists from different countries work together to achieve a common scientific goal. Locked in their spinning space lab,...