Astronomers have used a novel technique to find evidence of a secret "buddy" star orbiting Betelgeuse, one of the brightest ...

On July 21, 2025, NSF NOIRLab issued a press release stating that astronomers had detected a long-anticipated companion star ...

The findings confirm a long-standing theory first proposed in the early 1900s. More importantly, it sheds new light on how ...

Astronomers directly imaged a faint companion star orbiting Betelgeuse, solving a decades-old mystery about its strange brightness changes.

For decades the reddish glow of Betelgeuse has puzzled astronomers, but researchers believe they have now found the reason ...

A newly discovered object speeding through our solar system could be something far stranger than a comet, possibly even alien ...

Astronomers have used the NASA and U.S. National Science Foundation-funded “Alopeke instrument on Gemini North,” one half of ...

An international team of astrophysicists, led by Northwestern University and the University of Leicester in England, has ...

More recently, astronomers have proposed a theory for its volatile nature, which explains the star's seemingly erratic ...

At a distance of 2.8 billion light-years, EP 250108a is the closest FXT ever recorded, making it easier for astronomers to ...

Scientists have long speculated that Betelgeuse, one of the brightest stars in the night sky, is not alone. Now, thanks to ...

Interstellar objects are visitors from solar systems beyond our own, and the third ever such object, known as 3I/ATLAS, has ...