Solar Empire: Spacewatch Project
The Space Watch Project is an organization devoted to observing asteroids and other objects in space that could be on a collision course with Earth. Learn more about the Spacewatch Project on TLC's "Solar Empire."
Most Watched in Astronomy
Space School: Mysterious Objects
Far beyond Earth in the endless expanses of space, mysterious objects are hiding. Learn more about black holes, quasars and dark matter in this clip from the Science Channel's "Space School."
Giants - Outer Planet Probe
Scientists' long-held dream of a satellite space flight to the outer planets came to fruition during a rare planetary alignment in 1977.
Planet Storm: Jupiter Probed
On Discovery Channel's "Planet Storm," learn about the Jupiter probe sent by the Galileo mission in order to study the conditions on the surface of Jupiter.
Space School: Stars
Stars appear to be nothing more than shimmering dots in the night sky. But a closer look reveals that powerful nuclear reactions fuel these twinkling objects. Learn more in this video from the Science Channel's "Space School."
Planet Storm: Io's Volcanoes
On Discovery Channel's "Planet Storm," learn about the volcanoes on Jupiter's moon Io. Could the volcanic activity mean that the moon is growing an atmosphere?
Planet Storm: Solar Storm
On Discovery Channel's "Planet Storm," learn about solar storms and how they can effect the Earth and astronauts in space.
Planet Storm: Jupiter's Storms
On Discovery Channel's "Planet Storm," watch as a professor of atmospheric sciences recreates Jupiter's red spot using a spinning bowl of water.
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.
Recent Videos in Astronomy
Bad Universe: Imminent Danger
Earth is hit with football-size space objects every hundred years, but there's strong evidence that an extinction-level objects have impacted with us before.
Bad Universe: Doomsday
To replicate what it would be like for a huge asteroid to hit Earth, Phil detonates a to-scale bomb and investigates the results.
Space: Mystery Surrounds Solar Flare Event
Are mysterious particles shooting through Earth during solar flare events? Enough to disrupt the decay rate of radioactive material previously assumed to be constant? Discovery News' Ian O'Neill explains why scientists think that may be the case.
Through the Wormhole: The Balance of Forces
The universe as we know it is possible due to an extremely precise balance of forces. A formula so exact, that one small change would disallow any form of life. Did a divine hand make certain the balance was just right?