The dimming of Betelgeuse seen at the end of 2019 and the start of 2020 explained — the red giant star “sneezed.” Betelgeuse dimmed in the final few months of 2019, perplexing both professional and ...

Artist's concept of a red giant star and white dwarf orbiting one another. When the red giant moves behind the white dwarf, a nova explosion on the white dwarf ignites. (Photo Credit: NASA Goddard ...

Astronomers have identified a massive red giant star with a newly detected companion that appears to be stirring up trouble in the system, reshaping gas and dust in ways that could end in a dramatic ...

Astronomers have decoded the hidden past of a distant red giant star by listening to tiny vibrations in its light, revealing clues of a dramatic cosmic history. The star, which quietly orbits a ...

ORLANDO, Fla. – It’s been a long wait, but it could pay off any day now. Last year, NASA announced an upcoming nova outburst that’s expected to pop off overhead around 3,000 light-years from Earth.

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