We recently climbed aboard one of St. Hilda Sea Adventures' 8-passenger vessels to sail along the Scottish coast, complete ...

Object 3I/ATLAS will make close approaches to Jupiter, Mars and Venus, which could allow aliens to stealthily plant spy ...

Experts confirmed the discovery of a rare interstellar visitor—only the third ever detected—hurtling through our Solar System ...

A hidden companion star of Betelgeuse, long suspected by Hungarian astronomers, has finally been observed directly, ...

Betelgeuse companion discovery with Gemini North resolves century-old mystery and opens new doors in red supergiant research ...

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

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 ...

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 ...

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