Here's everything to know about the James Webb Space Telescope, and what it captured on its three-year anniversary observing ...

The Chandra X-ray Observatory was launched on July 23, 1999 aboard Space Shuttle Columbia. See 25 'never-before-seen' images ...

The Chandra X-ray Telescope is investigating the habitability of exoplanets. NASA explains. Credit: NASA/CXC/A. Hobart ...

Scientists have discovered that the Universe could collapse in a phenomenon known as the “Big Crunch”. A recent cosmological model—developed by researchers at Cornell and Shanghai Jiao Tong—proposes ...

These telescopes represent the cutting edge of astronomical discovery, probing the universe across the electromagnetic ...

Using a combination of telescopes, astronomers have characterized the closest supernova linked to a fast X-ray transient. The ...

Dark matter makes up 85% of the universe, but researchers, including Vera Rubin herself, historically have had a hard time ...

This unprecedented view of the Bullet Cluster provided by the James Webb Space Telescope and the Chandra X-ray Observatory ...