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.

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.

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.

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 was launched on July 23, 1999. Since then, it has scoured the universe to look for X-ray emissions from exploded stars, clusters of galaxies and more, according to NASA.

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, ...

Detailed X-ray images of the cosmos are key to answering these questions, and we have just marked 25 years since the launch of NASA’s flagship X-ray Observatory, Chandra, on July 23, 1999.

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 ...

On July 23, 1999, the Chandra X-Ray Observatory was launched into space aboard the shuttle Columbia, the first such mission to be commanded by a woman astronaut. The Chandra telescope detects high ...

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

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.

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.