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 ...

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 ...

You live in a galaxy packed with black holes that never announce themselves. They do not blaze in X-rays or glow with stolen gas. They hide. Astronomers find them by watching the stars that dance ...

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 ...

"Throwing a close companion into the mix could possibly wreak further havoc on the already complicated processes surrounding these stars." When you purchase through links on our site, we may earn an ...

"These vibrations told us something unexpected about this star's history." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Using NASA's ...