In 2020, Betelgeuse dimmed dramatically, prompting theories of an impending supernova. Instead, astronomers uncovered an even ...

The stellar companion may help explain why the brightness of Betelgeuse, the red supergiant, is open to so much variation.

Betelgeuse needs no introduction. Besides having its name borrowed by the ghost with the most, this 10-million-year-old red ...

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