High in the winter sky, marking the shoulder of the constellation Orion, sits a star nearing the end of its life in dramatic ...

Betelgeuse, the bright reddish star marking the shoulder of the constellation Orion, is one of the closest stars to Earth that could plausibly explode as a supernova within a human lifetime, at least ...

Researchers have assembled Unite, the largest internally consistent Type Ia supernova Hubble diagram yet, combining 2,884 ...

A spectacular supernova, SN 2026aaiv, has erupted in the spiral galaxy NGC 7331, located 45 million light-years away in the ...

A distant star has captured astronomers' attention over the past decade, teasing them with indications that it will soon ...

Astronomers have studied a star located several million light-years away. According to them, it was expected to soon explode ...

Neutrinos play a key role in our current models of supernovae, and right now, those models don’t take into account one of neutrinos’ most striking features: their ability to change identity. We’ve ...

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 ...

The most comprehensive catalog of exploding white dwarf stars ever assembled has revealed new clues about dark energy, the ...

When massive stars die, some end in supernova explosions that scatter newly forged material through space. Traces of those ancient blasts can eventually settle on nearby worlds, and a new study led by ...

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 ...