Astronomers are identifying more and more exoplanets, planets that exist in other star systems besides ours. Of the hundreds of exoplanets we know of, the one that most resembles earth is called GJ 1214b. It can be studi...

(YouTube Link) This computer-generated animation by Roy Prol imagines the Earth as a ringed planet, such as Saturn or Uranus. First, it addresses the orientation of the rings, and then shows what they would look like...

Uranus lies on its side.  It has an axial tilt of over 90 degrees relative to the plane of the solar system.   As a result, each pole gets 42 YEARS of continuous sunlight, followed by 42 years of continuous darkness.Â...

This list from the Discovery Channel might come in handy to give to someone you know who might get too nervous about the 2012 doomsday predictions and the movie about them. Each scenario is debunked with what scientists...

Photo: Jimmy McBride Artist Jimmy McBride makes quilts inspired by stunning astronomical photographs, such as this depiction of galaxy M64. It's currently on display at the City Quilter, a quilt shop in New York City...

Using infrared, NASA's Spitzer Space Telescope has spotted an enormous ring encircling Saturn, previously undetected by other telescopes.  The ring is likely composed of ice crystals shed by Phoebe, the farthest Saturni...

Image: University Corporation for Atmospheric Research The image above is a computer-generated model of what a 3,700-mile wide sunspot looks like. It was created by scientists at the National Center for Atmospheric R...

This is what I ended up with after just a minute of playing around with Gigagalaxy Zoom, a project by the European Southern Observatory.  Start with the Milky Way galaxy as seen by the naked eye, zoom into a section of...

There were strange things showing up on the telescopic images at the Smithsonian’s Whipple Observatory in Arizona, but astronomers knew they weren’t UFOs. An unidentified perpetrator had been leaving dusty footprints...

Scientists have detected a black hole 12.8 billion...  ...gadgets from photocopiers to bar-code readers. In astronomy they are used to collect analogue information (su...