Space School: The Moon
The moon is the only extraterrestrial place humans have been. Learn more about the moon in this clip from the Science Channel's "Space School."
Most Watched in The Solar System
Ask An Astronomer: Falling Moon
Watch this NASA "Ask an Astronomer" video to see why the moon doesn't smash into the Earth. Since the moon is so far away from Earth and is moving so fast, it's actually always falling. It just never hits the earth and stays in a continuous orbit.
Making Martian Mountains
Since there are no plate tectonics on Mars, how did the Red Planet get its mountains? What about Martian volcanoes -- are they still active? How do they compare to those on Earth? Find out the answers in this video.
Space School: Saturn
Saturn may be famous for its rings, but this gas giant also happens to possess the most powerful winds in our solar system. Learn more about Saturn in this segment from the Science Channel's "Space School."
Space School: The Milky Way
Despite being one of billions of galaxies in the universe, the Milky Way is special. Find out why in this video from the Science Channel's "Space School."
Planet Storm: Dust Storms on Mars
With no water, wind and dust are the major forces that shape Mars' surface. As a result, massive dust storms constantly blanket the surface of Mars. Learn more about the dust storms on Mars on Discovery Channel's "Planet Storm."
Recent Videos in The Solar System
Space: Hubble Captures Saturn's Aurorae
NASA and ESA astronomers released movies of Saturn's northern and southern lights, glimpsed edge-on for the first time by the Hubble Space Telescope. Jorge Ribas reports.