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 ...

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 ...

In August 1999, NASA’s Chandra X-ray Observatory opened for business. Six years later, it continues to achieve scientific firsts. “When Chandra opened its sunshade doors for the first time, it opened ...

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 ...

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 ...

All space missions come to an end. Some die quietly of old age, running out of fuel or power. Some go in a blaze of glory, plunging into an atmosphere and burning up, sending back data to the last.

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. The Crab Nebula, the result of a bright supernova explosion witnessed by astronomers in 1054 A.D. Chandra sees the rings around ...

Add Yahoo as a preferred source to see more of our stories on Google. On July 23, 1999, the space shuttle Columbia launched into orbit to deploy the Chandra X-ray Observatory. This space telescope can ...

The Chandra X-ray Observatory is the darling of high-energy astrophysics. Famed for providing unequaled x-ray views of voracious supermassive black holes, exploding massive stars and even dark ...