The two space agencies of Japan and the United States are prepping for a major launch Saturday, August 26, that promises to fundamentally alter our perspective of the cosmos. Exploding stars, ...

The most powerful X-ray telescope ever built has reached its landmark 25th anniversary in space — but back on Earth, astronomers worry that its future is very much in doubt. Supporters of the Chandra ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. NASA has unveiled a dazzling new collection of cosmic images from the Chandra X-ray Observatory, ...

NASA's newest X-ray space telescope has captured a ghostly view of a stellar explosion whose remains resemble a skeleton hand. When you purchase through links on our site, we may earn an affiliate ...