Leaked images hint at a dusty spacecraft; Avi Loeb fuels speculation, but NASA dismisses alien claims. Comet's brightening, ...

As a joke, she labeled it LGM 1 for "Little Green Men," but the astronomers working on it did not really believe they had ...

NASA is under growing pressure to release long-awaited images of the rare interstellar Comet 3I/ATLAS, only the third known ...

Whilst the interstellar visitor was out of view, it appears to have changed course slightly, brightened, and may have lost ...

Recent observations of the interstellar object 3I/ATLAS show that it has developed a faint blueish hue, hinting at a ...

Comet 3I/ATLAS, which made a close approach to the sun, has prompted lots of public interest. Kim Kardashian asked NASA's ...

A Harvard astrophysicist who believes the Manhattan-sized comet hurtling towards Earth could possibly be fueled by alien ...

Comet 3I/ATLAS isn’t hiding from view; it has been coming from behind the Sun, making it hard for ground-based telescopes to track. That’s why we haven’t seen much of it yet. So no, this doesn’t mean ...

An interstellar object roughly the size of Manhattan has captured scientists’ attention — and one prominent Harvard ...

I/ATLAS has officially been added to the International Asteroid Warning Network's Comet Astrometry Campaign threat list ...

A newly discovered interstellar object has become the unlikely battleground for a clash between two heavyweight scientists.

Interstellar objects like 3I/ATLAS are exciting, but there is no reason to claim that they are evidence of alien spacecraft – ...