M83 is located about 15 million light-years away from Earth and is forming stars at a high rate. Using 14 years of Chandra ...

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

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

Learn about a bright blob in the central region of the Milky Way, illuminating what may be a remnant of a massive star that ...

Over a 14-year period from 2000 to 2014, astronomers pointed NASA’s X-ray observatory at the M83 galaxy. They discovered that ...

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

A supernova so extreme that the star's death is total, leaving no black hole or neutron star behind: that is what astronomers ...

Researchers confirm the universe's expansion is still accelerating, challenging previous claims of dark energy weakening and halting this growth.

Astronomers have captured the first radio waves ever detected from a rare class of exploding star, a discovery that has given them an unprecedented look into the final years of a massive star before ...

Scientists working with material collected from asteroid Bennu have found a sticky, gum-like organic substance never before ...

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 ...

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 ...