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 ...

Scientists have detected the most distant supernova ever seen, exploding when the universe was less than a billion years old. The event was first signaled by a gamma-ray burst and later confirmed ...

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 ...

Astronomers have observed a strange but powerful supernova explosion that not only marked the death of a massive, highly evolved star, but also may have heralded the birth of a pair of binary black ...