Images and spectra—charts showing the distribution of light across different wavelengths from an object—are the two main ways astronomers investigate the universe. Images tell them what things look ...

NASA has released a batch of images from the Chandra X-ray Observatory that they have dubbed "razzle-dazzle across space." ...

NASA is celebrating the 25th anniversary of its Chandra X-ray Observatory launch by sharing never-before-seen photos of the largest known spiral galaxy in the universe. The Chandra X-ray observatory ...

When a star is born or dies, or when any other very energetic phenomenon occurs in the universe, it emits X-rays, which are high-energy light particles that aren’t visible to the naked eye. These ...

Using data from the Chandra X-ray Observatory, an ‘X-arithmetic’ technique 'sorts features in galaxy clusters and groups into ...

LOS ANGELES -- A glowing supernova remnant, a nebula shaped like a cat's paw and the iconic "Pillars of Creation" are just a few of the celestial objects that shine in 25 never-before-seen images ...

WASHINGTON — Ten years ago, on July 23, 1999, NASA’s Chandra X-ray Observatory was launched aboard the space shuttle Columbia and deployed into orbit. Chandra has doubled its original five-year ...

What: NASA is preparing to celebrate the 10th anniversary of “first light” for the Chandra X-ray Observatory — its first use to capture astronomical imagery on Aug. 19, 1999. On Aug. 12, key Chandra ...