Check out an amazing view of star cluster NGC 602. It "lies on the outskirts of the Small Magellanic Cloud," according to the ...

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.

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 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.

Chandra marks 25 years of space observations on July 23, 2024. On July 23, 1999, the Chandra X-ray space telescope began its journey. The orbiting telescope launched aboard Space Shuttle Columbia ...

NASA's Chandra X-ray Observatory is one of its most scientifically productive space missions. The telescope has been in space for 25 years, discovering black holes and dark matter. Chandra's best ...

Newly released images from NASA's Chandra X-ray telescope capture a cloud complex called Rho Ophiuchi, the Orion Nebula, a spiral galaxy named NGC 3627 and a galaxy cluster known as MACS J0416.

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.

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.

But earlier this year, when NASA announced that the Chandra X-ray telescope was facing the end of its days, it wasn’t for any of those reasons. The telescope was fully operational, continuing to ...

NELL GREENFIELDBOYCE, BYLINE: The Chandra X-ray Observatory has been in orbit for a quarter century. It was 25 years ago today that the bus-sized instrument went up in one of NASA's Space Shuttles.