The aftermath of a supernova, a stellar explosion, is usually a slowly fading cloud of hot gas. So when astronomers pointed ...

NASA's Chandra X-ray spacecraft has detected the supernova wreckage of a dead star that erupted 1,700 years ago and ejected ...

Learn about a bright blob in the central region of the Milky Way, illuminating what may be a remnant of a massive star that exploded A bright blob of X-ray emission near the heart of the Milky Way may ...

An international team of astronomers believes it has found evidence of one of the closest supernova ever to have occured near the center of the galaxy.

Astronomers working with two of the world’s most powerful X-ray telescopes have identified what appears to be a young ...

Min Read To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video A ...

Once charted as a 'guest star' in ancient China, dreaded as a harbinger of ill omens in medieval Europe, and preserved in the ...

Artist’s conception of a magnetar surrounded by an accretion disk that is wobbling, or precessing, because of the effects of general relativity. Some models of magnetars suggest that high-speed jets ...

Earlier this year, a powerful gamma-ray burst traveled through space from a very distant source in the cosmos. The explosion was traced back to the early universe, just millions of years after the Big ...

Artist’s conception of a magnetar surrounded by an accretion disk that is wobbling, or precessing, because of the effects of general relativity. Some models of magnetars suggest that high-speed jets ...

Earth is quietly collecting radioactive debris from an ancient stellar explosion as our Solar System drifts through a giant cloud of gas and dust between the stars. Scientists analyzing Antarctic ice ...