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A new image of the Tycho supernova remnant from Chandra reveals an intriguing pattern of bright clumps and fainter holes giving clues about its origin.
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A study using data from Chandra and other telescopes provides the strongest evidence yet for three supermassive black holes on a collision course.
Astronomers found X-ray bursts repeating about every nine hours coming from the supermassive black hole at the center of the galaxy GSN 069.
Found at a time only about 850 million years after the Big Bang, this black hole could help us better understand an important epoch in the history of the Universe.
A scientific and engineering marvel, NASA's Chandra X-ray Observatory has spent two decades (so far) exploring the cosmos unlike any other telescope. What it has found will astound you.
To commemorate the 20th anniversary of NASA's Chandra X-ray Observatory, an assembly of new images has been released.
Astronomers have deployed a new technique to measure the spin of five supermassive black holes.