Later in December, the 3I/ATLAS interstellar comet will get as close to Earth as it ever will. Here's what to know.

3I/ATLAS interstellar comet, first photographed from Mars orbit in October 2025, carries water ice with deuterium levels more than ten times higher than any solar system comet. The James Webb Space ...

Scientists studying 3I/ATLAS have spotted unusually slow gas around the interstellar comet, offering fresh clues about its ...

More and more details about 3I/ATLAS are filtering through the scientific process as time goes on. Our third known ...

In a year brimming with astronomical discoveries, the arrival of interstellar visitor 3I/ATLAS has captivated sky-watchers with its hyperbolic trajectory. Unverified leaked NASA images claiming a ...

A catastrophic new claim has just ripped through the astronomical community, turning an already baffling celestial mystery into a potential global alarm. The interstellar object 3I/ATLAS, which has ...

Does 3I/ATLAS have interstellar headlights? Harvard scientist Avi Loeb speculated that NASA’s recently released photos of 3I/ATLAS could potentially point to its artificial origins — and even wondered ...

3I/ATLAS is surrounded by “a complex jet structure,” new images show, sparking fresh speculation that the Manhattan-sized interstellar object could be an artificial alien craft. The images, captured ...

NASA’s Europa Clipper spacecraft has captured images of interstellar comet 3I/ATLAS as the object — perhaps the oldest ever seen by astronomers — whizzes through the inner solar system. On Nov. 6, ...

Harvard astronomer, Avi Loeb, speculates it could be an artificial alien object. NASA experts maintain that the object appears to be a natural comet with unique variations. Rare interstellar object 3I ...

Ah, good ol’ 3I/ATLAS. How I miss writing about you a few days a week. You were a fun comet. You were a bit of a freak. You came from beyond our solar system, exhibiting all sorts of weird-o behaviors ...