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

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.

Chandra X-ray Observatory observations of the Perseus galaxy cluster black hole and M87's jet have been turned into sound by ...

Astronomers released 25 new images to celebrate the 25th anniversary of the Chandra X-Ray Observatory's launch. NASA / SAO / CXC Though we can’t see them, X-rays are widespread in outer space.

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, ...

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

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.

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 ...

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.

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

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 ...