Jun 6, 2012 by James Freeman

Analyzing data from several telescopes, including NASA’s Chandra X-ray Observatory, an international team of astronomers has discovered a massive...

May 16, 2012 by News Staff

Using NASA’s Chandra X-ray Observatory, astronomers have discovered the first X-ray evidence of a supernova shock wave breaking through a cocoon...

May 1, 2012 by News Staff

A team of astronomers using NASA’s Chandra X-ray Observatory has discovered a new ultraluminous X-ray source (ULX) produced by a black hole in a...

Apr 4, 2012 by News Staff

A team of scientists using long observations from NASA’s Chandra X-ray Observatory has suggested a massive star that became the Cassiopeia A supernova...