An artist's impression of a quasar, a galaxy the bright center of a galaxy that radiates more light than all the stars in the galaxy combined. Scientists recently used light from quasars to hunt for a theoretical characteristic of the universe called quantum foam.
The hand might look like an X-ray from the doctor's office, but it is actually a cloud of material ejected from a star that exploded. NASA's NuSTAR spacecraft has imaged the structure in high-energy X-rays for the first time, shown in blue. Lower-energy X-ray light previously detected by NASA's Chandra X-ray Observatory is shown in green and red. [Read the Full Story Behind the Image]
The farthest confirmed galaxy to date, EGS-zs8-1, imaged here by the Hubble Space Telescope. New measurements taken at the W. M. Keck Observatory show that the galaxy lies about 13.1 billion light years from Earth.
Night sky photographer Amit Ashok Kamble captured this amazing panorama of the Milky Way over Pakiri Beach, New Zealand by stitching 10 images together into a complete mosaic. Image submitted May 5, 2014. [Read the Full Story Here]