This artist's impression shows the surroundings of the supermassive black hole at the heart of the active galaxy NGC 3783 in the southern constellation of Centaurus.
February 5, 2014 Stephen Hawking wants to do away with black holes (as we know them) so he can save the two pillars of modern physics: general relativity and quantum mechanics. At stake is our understanding of the nature of space and time, and how matter affects, and is affected by, both.
July 25, 2012 As scientists celebrate 100 years since the discovery of cosmic rays, many mysteries remain. Cosmic rays and giant black holes at the center of galaxies may constitute a dramatic cosmic link.
June 20, 2012 What happens inside a black hole? Do the laws of Nature go haywire? A new NASA mission may shed some light into Nature's most enigmatic objects.
This artist's illustration shows what NuSTAR should look like in orbit after its 30-foot-long mast deployed.
June 13, 2012 A 700-pound NASA science satellite roared into orbit Wednesday on a mission to map high-energy features across the universe, including black holes and supernovae. The NuSTAR mission will provide scientists with unprecedented resolution for viewing X-ray objects in space.
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