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These four images represent a sample of galaxy clusters that are part of the largest and most complete study to learn what triggers stars to form in the universe's biggest galaxies.
A group of dead stars known as "spider pulsars" are obliterating companion stars within their reach.
Astronomers found the most distant black hole ever detected in X-rays using the Chandra and Webb telescopes.
Chandra's data of MSH 15-52 have been combined with data from NASA's newest X-ray telescope, IXPE to unveil the magnetic field "bones" of this remarkable structure.
Using snapshots taken over 20 years with NASA's Chandra X-ray Observatory, astronomers have learned important new details about an eruption from Eta Carinae witnessed on Earth in the mid-19th century.
A new collection of stunning images highlights data from NASA's Chandra X-ray Observatory and other telescopes.
Astronomers using NASA's Chandra, ESA's XMM-Newton, and other telescopes have determined that a giant black hole has destroyed a large star and strewn its contents into space.
Astronomers have discovered the most distant galaxy cluster with an important quality — providing insight into how these gigantic structures formed and why the universe looks like it does in the present day.
Three new 'sonifications' of NASA data have been released: R Aquarii, Stephan’s Quintet, and M10.
The NGC 4839 group of galaxies is plunging into the Coma galaxy cluster and leaving behind an extraordinary tail of superheated gas.