It was found by culling through old data from the XMM-Newton X-ray telescope.

April 5, 2016

Black holes are the most massive objects in the known universe. We have discovered a number that put our Sun (and our entirely solar system) to shame. In fact, just this past year, scientists...

July 30, 2015

You would definitely want to keep your distance.

October 5, 2013
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