Astronomers have witnessed a rare cosmic event: a massive star that didn’t explode in a spectacular supernova, but instead ...

A massive star roughly 2.5 million light-years away in the Andromeda Galaxy has quietly disappeared, and the best explanation ...

A massive star brightened in infrared light, then vanished without exploding. Astronomers uncovered the quiet birth of a black hole.

Astronomers watched a massive star in the Andromeda Galaxy vanish over a decade, providing rare evidence of a "failed supernova" forming a black hole without exploding.

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In 2014, a NASA telescope observed that the infrared light emitted by a massive star in the Andromeda galaxy gradually grew brighter. The star glowed more intensely with infrared light for around ...

A massive star 2.5 million light-years away simply vanished — and astronomers now know why. Instead of exploding in a supernova, it quietly collapsed into a black hole, shedding its outer layers in a ...

Using archival data from NASA’s NEOWISE mission along with data from other space and ground-based observatories, astronomers identified the clearest observational record yet of a massive star fading ...

NASA’s NEOWISE archival data tracks a massive star in Andromeda fading quietly into a black hole, providing detailed observations of stellar collapse and gas expulsion from 2005 to 2023.

The U.S. national debt is set to break a World War II record by 2030, reaching 108% of GDP as the Congressional Budget Office warns of mounting fiscal challenges ahead.

Astronomers have watched a dying star fail to explode as a supernova, instead collapsing into a black hole. The remarkable sighting is the most complete observational record ever made of a star's ...

One of the brightest stars in the Andromeda galaxy has disappeared without the explosion astronomers expected. Instead, they ...