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 ...

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 the cosmos. To mark Webb's third year of operations, NASA shared an image ...

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

Dan Weedman was a senior official at NASA and the National Science Foundation from 1992-2002, including serving as the head ...

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

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

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 ...

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

"This discovery heralds a broader understanding of the diversity in massive stars' deaths and a need for deeper investigations into the whole landscape of stellar evolution." ...