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

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

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

NASA's James Webb Space Telescope (JWST) has captured a new image of the titanic collision between two galaxy clusters, known ...

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

As summer warms Istanbul's waters, the megacity's authorities are having to battle a noxious algal bloom dubbed "sea snot".

More than $10 billion in funds are included in Trump’s tax and spending bill for NASA programs previously targeted by the ...

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 ...

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 ...

The JWST could see a 25-35% reduction in operations, and some Hubble instruments may have to fend for themselves.