Astronomers may have discovered one of the clearest examples yet of a rare "pair-instability" supernova. It is a catastrophic ...
In 2018, astronomers spotted a cosmic explosion unlike anything in their catalogs. Dubbed AT2018cow, or simply “the Cow,” it flared to extraordinary brightness in just a few days, burned an intense ...
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 ...
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