Closeup of a star

Over about two and a half days (August 16-18, 2007), the Sun's prominences were seen in extreme ultraviolet light by the Ahead spacecraf...

Planet Vaporized In Minutes

Really. The term 'astronomical' evokes images of billions and billions of stars millions of light-years away. But even on the immens...

You Can Take A Walk In Space

Really...if you're willing to use a scale model here on Earth you could walk to the (former) planet Pluto, and visit all the other plane...