One of the brightest stars in the night sky is a doomed giant. Betelgeuse, the ruddy point of light marking a shoulder of the ...

Primordial black holes may occasionally pass through white dwarf stars and trigger enormous Type Ia supernova explosions. Researchers found that these events could explain chemical patterns seen in ...

A supernova remnant is supposed to be a rough neighborhood for a newborn star. Shock waves rip through space at thousands of kilometers per second.

The newly detected star appears much larger than expected and could influence Betelgeuse's eventual supernova explosion.

Artist’s impression of a hot core—a warm cocoon of molecular gas surrounding a newborn star—discovered in a supernova remnant. Blue represents high-energy regions produced by the supernova explosion, ...

The aftermath of a supernova, a stellar explosion, is usually a slowly fading cloud of hot gas. So when astronomers pointed NASA's Chandra X-ray Observatory at the nearby galaxy Messier 83 (M83), they ...

An international team of astronomers has performed follow-up observations of a peculiar Type Ia supernova designated SN 2023vjh. Results of the observational campaign, published July 9 on the preprint ...

There are things in this Universe the human mind simply has a very hard time understanding. Like, say, a supernova explosion caused by a star reaching the end of its life, an event so massive that, ...

For decades, astrophysicists have been puzzling over a mystery hidden in plain view: Most supernovae come from the biggest ...

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The most detailed computer simulation yet of the turbulent motion inside an exploding star has been carried out by the world’s foremost supercomputer. The results help explain how nuclear reactions in ...

The reddish star that marks the shoulder of the constellation Orion is dying, and when it goes, the whole world may notice. Betelgeuse is a red supergiant nearing the end of its short, violent life, ...