Every big galaxy has a supermassive black hole at its center, but scientists are still trying to fully understand how these ...

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

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

The Chandra X-ray Telescope is investigating the habitability of exoplanets. NASA explains. Credit: NASA/CXC/A. Hobart ...

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

"Thanks to the high resolution of our new images, we detected a faint structure on the northeast side of this supernova ...

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

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 ...

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

Our new study of the nearby starburst galaxy Haro 11 has shown that strong X-ray-emitting superwinds may be a key mechanism enabling galaxies to leak ionizing radiation, which is believed to have ...

Decades of constant X-ray emission from the Helix Nebula’s white dwarf suggest debris from a Jupiter-sized planet steadily rains upon the star.