There are monstrous objects at the heart of every large galaxy — black holes that are millions or even billions of times more massive than the sun. And when these “supermassive” black holes start to ...

Westerlund 1, the biggest and closest "super" star cluster to Earth, dazzles in this image released on July 23, 2025. This ...

The most powerful X-ray telescope ever built has reached its landmark 25th anniversary in space — but back on Earth, astronomers worry that its future is very much in doubt. Supporters of the Chandra ...

See James Webb Space Telescope and Chandra X-ray Observatory composites of the Carina Nebula, Stephan's Quintet, Cartwheel ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. NASA's Chandra X-ray Observatory revealed two new streams of gas trailing behind a galaxy within ...

All space missions come to an end. Some die quietly of old age, running out of fuel or power. Some go in a blaze of glory, plunging into an atmosphere and burning up, sending back data to the last.

Space images never get old, do they? To celebrate the 25th anniversary of the Chandra X-ray Observatory being launched into space, NASA has published 25 brand new images snapped by the telescope — ...

This Chandra image shows the Orion Nebula Cluster, a rich cluster of young stars observed almost continuously for 13 days. New results from NASA’s Chandra X-ray Observatory about the Orion Nebula ...

On July 23, 1999, the Chandra X-Ray Observatory was launched into space aboard the shuttle Columbia, the first such mission to be commanded by a woman astronaut. The Chandra telescope detects ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A glowing supernova ...

In an unusual observation, a team of scientists has scanned the northern polar region of Earth with NASA’s Chandra X-ray Observatory. The results show that the aurora borealis, or “northern lights,” ...