NASA’s Chandra X-ray Observatory catalog provides over 400,000 sources and detailed X-ray mapping of the Milky Way center, ...

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 ...

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 ...

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 ...

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 ...

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 ...

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.

The Crab Nebula, the result of a bright supernova explosion witnessed by astronomers in 1054 A.D. Chandra sees the rings around its center with jets blasting into space (bright purple).X-ray: (Chandra ...

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 ...