Celebrate the New Year with the "Champagne Cluster," a galaxy cluster seen in this new image from NASA's Chandra X-ray ...
But the Big Bang theory predicts that about 5% of the universe's contents should be atoms made of protons, neutrons and ...
Just in time for Christmas, a vast star-forming region shaped like a Christmas tree is lighting up space 2,700 light-years from Earth.
A new computational model suggests that Uranus' and Neptune's cores may be less icy than their "ice giant" nickname suggests.
More than a billion years ago, a shallow basin in what is now northern Ontario held a subtropical lake. The setting likely resembled modern Death Valley, where heat drives evaporation and leaves salt ...