Stars are born, live and die in spectacular ways, with their deaths marked by one of the biggest known explosions in the universe. Like a campfire needs wood to keep burning, a star relies on nuclear ...

Add Yahoo as a preferred source to see more of our stories on Google. This combined image shows Pa 30, a unique stellar remnant in the constellation Cassiopeia. (Credit: NASA/CXC) It's never too late ...

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 ...

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 ...

Astronomers from Texas have witnessed the moment a star's surface is torn apart by a supernova, becoming oblong in the process and producing more light than the entire galaxy for an instant.

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 ...

XRISM’s high-precision X-ray data revealed unusually strong signatures of chlorine and potassium inside the Cassiopeia A supernova remnant. These levels are far higher than theoretical models ...

It's never too late to solve a cold case. A new paper from Syracuse University researchers proposes an explanation for both a mysterious stellar object discovered in the year 2013 and an astronomical ...