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

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

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

A new study of two supernova remnants, the debris left behind after stars explode, suggests the explosions came from stellar ...

A set of supernovae are behaving in weird ways, more than a decade’s worth of data from NASA’s Chandra X-ray Observatory ...

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

Two stars that once lived together in the Jellyfish Nebula may have also died together.

Astronomers have discovered a superluminous supernova drawing energy from a surrounding glowing structure, challenging current understanding of extreme events.

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

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

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 ...