A Harvard scientist has suggested that our Solar System may be far more crowded with interstellar objects than anyone realized.

Harvard astrophysicist Avi Loeb claims humanity missed a historic chance to find alien life on interstellar object 3I/ATLAS, warning it may have been a spacecraft on a seeding mission.

A mysterious visitor from beyond our solar system is defying expectations and igniting fierce scientific debate as it hurtles toward Jupiter, exhibiting behaviour that challenges conventional cometary ...

The interstellar visitor, only the third such object to be discovered passing through our solar system, ignited controversial ...

A mysterious visitor from the depths of interstellar space has just challenged our understanding of the cosmos. It's not ...

Abraham ‘Avi’ Loeb, a Harvard University astrophysicist, spends most of his waking hours thinking about a giant rock. The rock’s name isn’t too catchy, 3I/ATLAS, and according to some, it’s more of a ...

For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the ...

For months, scientists and the public have squinted their eyes at photos of a blurry smudge to figure out if it’s proof that aliens exist. Discovered in July, 3I/ATLAS is not your average comet – it’s ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Astronomers found no radio signals from the comet that would suggest it is an extraterrestrial spacecraft. 3I/ATLAS was confirmed as the third known object to enter our solar system from interstellar ...

Stunning new photos show the pieces of the "other ATLAS," C/2025 K1, breaking apart in space after the golden comet suddenly exploded earlier this month.