Mysterious interstellar object 3I/ATLAS recently made its closest pass of the Sun, or perihelion, brightening up in ...

New images have been captured of the mystery object, 3I/ATLAS, as it speeds away from the sun - and for the first time, it ...

The MeerKAT radio telescope detected hydroxyl radicals from interstellar object 3I/ATLAS, suggesting it's shedding a ton of ...

A team studying the spectra of interstellar comet 3I/ATLAS has found evidence of "galactic cosmic ray processing". While ...

3I/ATLAS is surrounded by “a complex jet structure,” new images show, sparking fresh speculation that the Manhattan-sized ...

Scientists were surprised to note that 3I/ATLAS brightened much faster than they anticipated during its perihelion last week.

The object, initially thought to be a meteorite, could actually be Zond 1, a Soviet spacecraft that was destined for Venus 60 ...

We know of three interstellar objects (ISO) that have visited our inner solar system. Oumuamua was the first one, and it came ...

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

Interstellar object 3I/ATLAS no longer has a tail, defying behavior for a “typical comet,” and adding to mystery surrounding ...

As 3I/ATLAS races through our solar system, NASA and Harvard take unprecedented action to study its bizarre anti-tail and ...