For humans, the most important star in the universe is our Sun. The second-most important star is nestled inside the Andromeda galaxy. Don't go looking for it -- the flickering star is 2.2 million ...
The Hubble Telescope has spotted an unusual spiral galaxy – 76 million light-years away – that resembles an eye ...
2012's eXtreme Deep Field, or XDF, was assembled by combining 10 years of Hubble Space Telescope ... [+] photographs taken of a patch of sky at the center of the original Hubble Ultra Deep Field.