NASA's James Webb Space Telescope (JWST) has produced a new image of the Bullet Cluster, which is a titanic collision between ...

Because it doesn't interreact with light or electromagnetism, dark matter exists to us only through its influence on visible ...

NASA's Chandra X-ray Observatory has captured a striking image of a distant quasar from the "cosmic noon," including a giant ...

Chandra X-ray Observatory observations of the Perseus galaxy cluster black hole and M87's jet have been turned into sound by ...

The Chandra X-ray Observatory marked its 25th anniversary with a release of never-before-seen images. But budget cuts may cause the observatory’s days to be numbered.

The Chandra X-ray Observatory was launched on July 23, 1999 aboard Space Shuttle Columbia. See 25 'never-before-seen' images from the observatory to mark the anniversary. Credit: NASA/CXC/A. Hobart ...

The Chandra X-ray Observatory sits inside the cargo bay of the space shuttle Columbia before launch. Credit: NASA The current budget shortfall is not the first threat to its existence Chandra has ...

The Chandra X-ray Observatory was launched on July 23, 1999 aboard Space Shuttle Columbia. See 25 'never-before-seen' images from the observatory to mark the anniversary. Credit: NASA/CXC/A. Hobart ...

New observations from NASA's Chandra X-ray Observatory and other telescopes have captured a rare cosmic event: Two galaxy clusters have collided and are now poised to head back for another swipe ...

NASA is facing a tight budget and wants to wrap up the Chandra X-ray Observatory, but astronomers don't want to see the 25-year-old X-ray space telescope mission go.