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
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: 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: Io's Atmosphere
On Discovery Channel's "Planet Storm," learn how studying volcanic plumes on Earth can tell us a lot about Jupiter's moon Io.
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: 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.
Space School: Pluto
At 3.7 billion miles from the sun, the dark world of Pluto has remained a puzzle to scientists. Learn more about new findings on this distant former planet in the following clip from the Science Channel's "Space School."
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.
Planet Storm: Ozone Layer
Using Jupiter's moon Io as an example, learn what will happen to a planet without an ozone layer on Discovery Channel's "Planet Storm."
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."
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?