Latest News About Stars and Galaxies

Stars are giant, luminous spheres of plasma. Galaxies consist of stars, stellar remnants, dust, gas, and dark matter, bound together by gravity. Learn more about stars and galaxies.
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Colliding Galaxies Spark a Stunning Holiday Light Show (Photo)
This composite image of the grazing galaxies NGC 2207 and IC 2163 contains data from NASA's Chandra, Hubble and Spitzer space telescopes. (Chandra data shows up as pink, Hubble data as red, green and blue, and Spitzer data as red.)
December 15th, 2014
The new image shows "ultra-luminous X-ray sources" (ULXs) studding the spiral galaxies NGC 2207 and IC 2163, which are grazing each other about 130 million light-years from Earth, in the constellation Canis Major.
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Cosmic Mystery Solved? Possible Dark Matter Signal Spotted
Andromeda Galaxy
December 11th, 2014
The signal, spotted in the Perseus galaxy cluster and the Andromeda galaxy, corresponds to no known particle or atom and thus may have been produced by dark matter.
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Hubble Stares Deep into Glittering Stellar 'Snow Globe'
Messier 92 Globular Cluster
December 10th, 2014
Just in time for the festive period, the Hubble Space Telescope has released a dazzling image of a globular star cluster filled with stellar glitter.
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