First X-rays from Uranus discovered

Astronomers have detected X-rays from Uranus using NASA's Chandra X-ray Observatory. This result may help scientists learn more about this enigmatic ice giant planet in our solar system.

Self-powered X-ray detector to revolutionize imaging

A new X-ray detector prototype is on the brink of revolutionizing medical imaging, with dramatic reduction in radiation exposure and the associated health risks, while also boosting resolution in other applications.

First X-rays detected from mystery supernovas

Scientists appear to have found the first X-rays coming from type Ia supernovae.

Mysterious cosmic explosion puzzles astronomers

A mysterious flash of X-rays has been discovered by NASA’s Chandra X-ray Observatory in the deepest X-ray image ever obtained. This source likely comes from some sort of destructive event, but may be of a variety that scientists have never seen before.

Deepest X-ray image to date uncovers a black hole bonanza

Researchers have used NASA's Chandra X-ray Observatory to produce an X-ray image of space (the deepest-ever X-ray, in fact) that has uncovered an abundance of supermassive black holes.

Weird Deep Space X-Ray Flashes Stump Astronomers

The X-ray emissions were discovered by chance beyond the Milky Way and no one really knows what is causing them.

X-rays that don't come from any known source

A new study confirms some ideas about where X-rays come from, shedding light on our solar neighborhood's early history. But it also reveals a new mystery -- an entire group of X-rays that don't come from any known source.

Chorus of black holes radiates X-rays

New data from NASA's Nuclear Spectroscopic Telescope Array, or NuSTAR, has, for the first time, begun to pinpoint large numbers of the black holes sending out the high-energy X-rays.

Caught in the act: UW astronomers find a rare supernova 'impostor' in a nearby galaxy

University of Washington astronomers have identified a rare type of supernova