New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

The comet 3I/ATLAS is taking a long holiday journey this year. It’s visiting from another solar system altogether. Those ...

December is the month that fans of 3I/ATLAS have been waiting for as the interstellar comet makes its closest approach to ...

A comet that is likely much, much older than our solar system has spent months traipsing through Earth's cosmic neighborhood. And at long last, NASA has unveiled an unprecedented look at the object, ...

A comet named 3I/ATLAS, which originated from outside our solar system, is currently hurtling through Earth's cosmic neighborhood. It is only the 3rd interstellar object ever discovered in our solar ...

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 ...

Scientists have observed cryovolcanoes erupting on comet 3I/ATLAS — giving us a new clue about what's inside it.

An interstellar trespasser known as 3I/ATLAS is almost certainly a comet. So, why do so many people think it's extraterrestrial technology?

NASA released new images of 3I/ATLAS, the third comet ever to be discovered in Earth's cosmic neighborhood originating from ...

As the 3I/ATLAS nears its closest distance to Earth, an international team of astronomers now says the space rock may be covered in active, icy cryovolcanoes. If true, the evidence detailed in their ...