By: Megan Gannon Published: 05/14/2013 11:42 AM EDT on SPACE.com Scientists using the Hubble Space Telescope have discovered two dead stars 150 ...

By: Mike Wall Published: 04/19/2013 02:03 PM EDT on SPACE.com NASA's Hubble Space Telescope has snapped a spectacular new image of an iconic nebula...

Who invented the first telescope? Some stargazers credit Galileo Galilei, who was the first astronomer to systematically study the cosmos with suc...

By: Miriam Kramer Published: 04/04/2013 11:44 AM EDT on SPACE.com Astronomers have spotted the most distant massive star explosion of its kind, a s...

By: Clara Moskowitz Published: 02/28/2013 10:30 AM EST on SPACE.com Astronomers have captured what may be the first-ever direct photograph of an...

By: Mike Wall Published: 02/27/2013 10:19 AM EST on SPACE.com The Milky Way's far outer reaches may harbor a shell of stars left over from a lon...

By: Miriam Kramer Published: 02/11/2013 10:37 AM EST on SPACE.com If you've ever wanted to leave your mark on the heavens, here's your chance. Ast...

By: Clara Moskowitz Published: 02/08/2013 07:24 AM EST on SPACE.com An odd flashing star may actually be a pair of cosmic twins: two newly formed ...

By: Tariq Malik Published: 01/20/2013 09:22 AM EST on SPACE.com A Connecticut astronomy teacher has uncovered a dazzling view of a satellite galax...

By: Clara Moskowitz Published: 01/16/2013 07:09 AM EST on SPACE.com The Hubble Space Telescope's iconic "Deep Field" photo wowed the wor...

By: Tariq Malik Published: 01/09/2013 07:33 AM EST on SPACE.com The unbalanced orbit of a so-called "zombie planet" in a dusty star syst...

By Ken Croswell Although scientists know the masses of the sun and Earth, it's a different story for the galaxy. Mass estimates range widely: At the ...

Hubble has been as big a revolution as was the first telescope built by Galileo in 1610. It has profoundly changed our view of the universe and our place in it. Now, 22 years into its life, it has outperformed even the most optimistic predictions of its builders.

By: SPACE.com Staff Published: 10/26/2012 02:49 PM EDT on SPACE.com An enormous alien planet that some astronomers thought was dead and buried has...

By: SPACE.com Staff Published: 10/23/2012 07:20 AM EDT on SPACE.com Disk galaxies like our own Milky Way put the finishing touches on their stun...

It's enough to make you alternately laugh and cry. But this daffy performance speaks to a problem even larger than Broun's dreadful ignorance. Why is this gentleman in Congress at all?

By: Clara Moskowitz Published: 10/02/2012 01:57 PM EDT on SPACE.com In a forensic twist on astronomy, scientists turned sleuths are trying to tr...

By: Clara Moskowitz Published: 09/25/2012 03:29 PM EDT on SPACE.com The Hubble Space Telescope has captured the farthest-ever view into the univer...

Scientists have observed what they believe to be the most distant and oldest galaxy ever detected — a discovery which could provide insight into the...

By: SPACE.com Staff Published: 09/18/2012 01:09 PM EDT on SPACE.com A gorgeous new photo by the Hubble Space Telescope confirms that a faraway s...

By: SPACE.com Staff Published: 09/14/2012 07:39 AM EDT on SPACE.com Countless stars at the core of a nearby star cluster look like glowing, multi...

By: SPACE.com Staff Published: 09/06/2012 09:32 AM EDT on SPACE.com A stunning new photo from the Hubble Space Telescope has captured the perfec...

NASA's Hubble Telescope has sighted two massive star clusters about 170,000 light-years away that are about to join forces. The clusters are part o...

New images from the Hubble Telescope are always cause for excitement, and today's massive shot of the Tarantula Nebula is no exception. The nebula, lo...