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

Tuesday marked the 25th anniversary of the Chandra X-ray Observatory launch, which sent the most powerful X-ray telescope created into space. However, this anniversary is a bittersweet one.

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.

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.

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

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 ...

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 ...

STUNNING: NASA released 25 never-before-seen images - including the 'Pillars of Creation,' Cat's Paw Nebula and more - to celebrate the 25th anniversary of its Chandra X-ray Observatory.

NASA’s Chandra X-ray Observatory has detected a massive X-ray jet from quasar J1610+1811, 11.6 billion light-years away. The jet travels at nearly the speed of light, illuminating black hole ...

These Chandra images reveal how stars end their life in majesty Smithsonian Astrophysical Observatory The supernova that resulted in the creation of SNR 0509-67.5 occurred nearly 400 years ago for ...

NASA's Chandra X-ray Observatory provides a new look at the Andromeda galaxy in this multi-wavelength image that includes ...

Astronomers have discovered a strange new object in our Milky Way galaxy. The celestial object is emitting X-rays around the same time it's shooting out radio waves.