The Chandra X-ray Observatory was launched on July 23, 1999 aboard Space Shuttle Columbia. See 25 'never-before-seen' images ...

NASA’s Chandra X-ray Observatory and Hubble Space Telescope have been used to study a cluster of stars, nicknamed “Nikhuli," ...

New three-dimensional (3D) models of objects in space have been released by NASA's Chandra X-ray Observatory. These 3D models ...

These Chandra images reveal how stars end their life in majesty Smithsonian Astrophysical Observatory The supernova ... 400 years ago for Earth viewers. X-ray: NASA/CXC/SAO/J.Hughes et al, Optical ...

Jonathan McDowell is retiring from studying the universe. But he’s ramping up efforts to chronicle humanity’s exploration of ...

While it's much smaller than the largest supermassive black holes detected, it's still a whopper considering how early in the ...

A distant galaxy that lay quiet for decades has suddenly stirred, lighting up in dramatic bursts that have caught astronomers ...

NASA's Chandra telescope was used to uncover the explosive past of an ancient dead star through 'space archaeology.' ...

Pulsars are the remnants of giant stars that exploded in a supernova. Check out these 7 breathtaking images of pulsars ...

In 2023, astronomers using the James Webb Space Telescope (JWST) and the Chandra X-ray Observatory spotted UHZ1, the home of a gigantic black hole that existed when the universe was only 470 ...