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NASA's Chandra X-ray Observatory captures the first-ever X-ray of an exoplanet passing in front of its parent star in a system that is 63 light-years from Earth.
One of the most powerful black holes in the observable universe has been revealed by NASA's Chandra X-Ray Observatory.
Astronomers at the Chandra X-ray Observatory explain why the black hole at the heart of the Milky Way galaxy doesn't consume everything in sight.
The Chandra X-ray Observatory delivers astrophysicists another breathtaking first by capturing a dwarf galaxy smashing into a large spiral one.
NASA's Chandra X-ray telescope has captured a picture of a distorted supernova remnant that may contain the most recently formed black hole in the Milky Way.