The World's Most Powerful Telescopes

Did Mars ever have life on it? To answer this question, Europe and Russia have launched a unique and ambitious 2-stage project: ExoMars 2016-2018....

It has been said that 10,000 years from now only one name will still be remembered, that of Neil Armstrong. But in the four decades since he first...

Comets pose one of the greatest threats to life on Earth - a threat that can only be countered if we find out more about them. In 2005, in an...

CERN and the University of California-Santa Barbara are collaborating in the search for the elusive substance that physicists and astronomers believe...

What began with tragedy ended in triumph. This is the untold story of the European Space Agency’s pioneering 25-year Cluster mission to study...

Travel alongside the astronauts as they deploy and repair the Hubble Space Telescope, soar above Venus and Mars, and find proof of new planets and...

The Wonder of it All focuses on the human side of the men behind the Apollo missions through candid interviews with seven of the Apollo astronauts:...

This feature-length documentary is a portrait of eclipse chasers, people for whom solar eclipses - among nature's more spectacular phenomena –...

William Shatner presents a light-hearted look at how the "Star Trek" TV series have influenced and inspired today's technologies, including: cell...

NASA may have just gotten one step closer to the answering the question: are we alone? The Spitzer Telescope has made a groundbreaking discovery of...

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

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