The two space agencies of Japan and the United States are prepping for a major launch Saturday, August 26, that promises to fundamentally alter our perspective of the cosmos. Exploding stars, ...

The Fermi Gamma-Ray Telescope is a space observatory designed to study the universe in highly energetic frequencies known as gamma-rays. It includes participation from NASA, the U.S. Department of ...

Astronomers have conducted multiwavelength observations of a recently detected fast X-ray transient designated EP241107a.

The Chandra X-ray Observatory is the world’s most powerful X-ray telescope. It has eight-times greater resolution and is able to detect sources more than 20-times fainter than any previous X-ray ...

It’s not as well known as the Hubble or Webb, but Chandra illuminates high-heat and high-energy cosmic events such as supernovas, explains program manager Megan Lin. NASA may begin to wind it down in ...

An x-ray space telescope eROSITA has captured images that led to the creation of the most complete map of black holes and neutron stars to date. The eROSITA uses x-ray detecting instruments to capture ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. A comparison between the galaxy clusters Perseus and Centauru. The glowing white dots are black ...

NASA officials are making tough decisions as they face budget cuts. And many astronomers are worried about the future of one unique science instrument - the most powerful X-ray telescope ever built.