Watch Mars, World That Never Was

Watch Mars, World That Never Was

Mars, World That Never Was

Exploring the Solar System – 25m

Up Next in Exploring the Solar System

  • Saturn's Mysterious Moons

    On the first of July 2004, the Cassini probe entered the orbit of Saturn and soon began to compile what has become one of the greatest photographic collections of all time. Here is a giant gas planet, surrounded by colorful rings, guarded by a diverse collection of moons, and millions of tiny moo...

  • Solar Storms and Plasma Rockets

    Join a small team of rocket designers as they open a window into the future of space travel. They are part of a whole new generation of rocketeers who see an otherworldly substance, plasma, as an energy source that may one day fuel humanity's expansion into space. What can we learn, and how far c...

  • Voyager Journey to the Stars

    The two Voyager spacecraft are part of an ancient quest to push beyond our boundaries, to see what lies beyond the horizon. Now tens of billions of kilometers from Earth, these twin spacecraft are streaking out into the void. What will we learn about the Galaxy, the Universe, and ourselves from V...