Ever since interstellar object 3I/ATLAS streaked into our solar system, astronomers have been scrambling to understand how this likely comet got here—and more importantly, perhaps, where it came from.

The appearance of a mysterious interstellar object has reignited debate over whether extraterrestrial technology could be hiding in our solar system. NASA detected the object, dubbed 3I/ATLAS, on July ...

The mysterious interstellar object hurtling through our solar system has just given scientists more evidence that it may be a craft from another part of the galaxy. According to Harvard astrophysicist ...

It’s probe-ably nothing. The newly discovered Manhattan-sized interstellar object zooming through our solar system has been identified as a comet — but two Harvard scientists argue there is reason to ...

Scientists are watching a newly discovered object in space, and most of them agree it's a comet, but not all of them. A Harvard scientist, who believes he's seen proof of alien life before, suspects ...

Mundane wayward space snowball, or extraterrestrial visitor? Astronomers believe that our solar system’s latest and only third ever confirmed interstellar visitor, 3I/ATLAS, is almost certainly a ...