Sparks are flying between these two spiral galaxies as they collide, producing a spectacular x-ray light show about 130 million light years away from Earth.

Since its launch in 1999, NASA’s Chandra X-ray Observatory has been studying the heavens through short-wavelength x-ray light, the best window for sighting colossal black holes, galaxy clusters ...

The Sun New 8K-resolution photos of the sun show off incredible details of raging sunspots. ... The Sun Looks Far Out in X-Ray Light (Image) News. By Elizabeth Howell published 10 July 2015 ...

Astronomers observe a dramatic event on exoplanet TOI 1227 b. This young gas planet is losing its atmosphere quickly. Intense ...

These images show X-ray data obtained by Chandra over the span of 15 years. The jet itself is some 300,000 light-years long: the longest X-ray jet discovered to date.

The researchers say this development could improve current X-ray technology. The energized photons could help create high-resolution, 3D images of objects and people at a lower dose, spotting tiny ...