• When Space Changed History

    Premiere Date:June 17, 2012

    It may seem like seem like science fiction, but the cosmos isn't just something way out there. Many times in human history, objects or forces from space have changed the course of life on earth. Many believe an asteroid played a role in the fall of the Roman Empire…and millennia earlier another asteroid might have been the "fire and brimstone" that destroyed Sodom and Gomorrah.

    TVPG
    Upcoming Airings:
    • no upcoming airings in the next two weeks
  • Ride the Comet

    Premiere Date:June 10, 2012

    Hitch a ride on the journey of a comet as it roars from the cold, dark outer reaches of the solar system to the fiery surface of the Sun. Visit the surface of each planet, from the mountains on the moons of Neptune, to the caves beneath Mars, to a solar tsunami. You'll also tour the lesser-known "neighborhoods" of the Solar System, like The Oort Cloud and planet-sized asteroids like Eris and Ceres. Witness the punishing extremes experienced by a massive, grit-covered snow-ball as it travels 300 million miles from the edge of the Solar System to the skies above earth.

    TVPG
    Upcoming Airings:
    • no upcoming airings in the next two weeks
  • Microscopic Universe

    Premiere Date:December 31, 2011

    Within our immense universe lies a lesser-known world of tiny particles. From strange ghostly neutrinos that pass right through matter to mysterious objects with names like MACHOs and WIMPs. Find out how this miniature world might hold the key to understanding the cosmos.

    TVPG
    Upcoming Airings:
    • no upcoming airings in the next two weeks
  • Alien Sounds

    Premiere Date:December 30, 2011

    What does the Universe sound like? From the sweep of a pulsar, to the deafening roar of our boiling sun this episode explores the undiscovered soundscapes of the solar system, the galaxy, and the entire cosmos. And, is it true that in space nobody can hear you scream?!? Our scientists reveal that there are places in the Universe that prove this sci-fi statement wrong.

    TVPG
    Upcoming Airings:
    • no upcoming airings in the next two weeks
  • Our Place in the Milky Way

    Premiere Date:December 28, 2011

    An exploration of Earth's cosmic neighborhood. Looking beyond the borders of our solar system, what's nearby in our galaxy? How do the other objects in our local area influence life on Earth? And, how did Earth's place in the galaxy make it the perfect place for the development of advanced life?

    TVPG
    Upcoming Airings:
    • no upcoming airings in the next two weeks
  • Deep Freeze

    Premiere Date:December 20, 2011

    There really are ice worlds like Hoth from Star Wars. In this episode, we explore icy planets and moons, discover the role of cold in the Universe, and learn about the importance of ice to the development of habitable worlds.

    TVPG
    Upcoming Airings:
    • no upcoming airings in the next two weeks
  • How Big, How Far, How Fast

    Premiere Date:April 29, 2012 - 10:00-11:00PM ET

    In this episode, our cast uses awesome analogies to bring the biggest objects, farthest distances and fastest speeds down to earth. To truly understand the scale of the cosmos, we jump behind the wheel of monster trucks, scale the Golden Gate bridge, and race across the desert in a rocket-powered car.

    TVPG
    Upcoming Airings:
    • no upcoming airings in the next two weeks