NASA’s Chandra X-ray Observatory and Hubble Space Telescope have been used to study a cluster of stars, nicknamed “Nikhuli," ...

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

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 ...

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 ...

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 ...

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 ...

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 ...