Comet 3I/ATLAS is warming up as it approaches the sun, causing a jet to emerge. The jet is visible in a dramatic new image.

The cosmic object 3I/ATLAS has sparked intense interest since it entered our solar system. A key question among scientists is whether this interstellar object has a tail.

The most explosive theory comes from Harvard astrophysicist Avi Loeb, who suggests 3I/ATLAS may not be a natural object at ...

Did CNN report the interstellar comet 3I/ATLAS has contacted Earth, as a viral social media post declared? No, that's not ...

New images reveal the stunning reversal of the interstellar objects “anti-tail” and could be indicative of a “maneuvering” ...

I/ATLAS puts the Planetary Defense Network on watch. NASA and ESA say no threat as IAWN drills tracking, while Harvard’s Avi Loeb raises an alien-origin idea.

NASA and ESA say 3I/ATLAS poses no threat to Earth. We explain its nickel-heavy readings, IAWN’s training drill, and why the Harvard alien claim lacks proof.

"If the object is an alien spacecraft slowing down, and the anti-tail is braking thrust, then this change from anti-tail to ...

New images captured by NASA, which have not yet been released yet, show the changing tail of 3I/Atlas. The comet is currently ...

A UN-endorsed group focused on planetary defense has locked onto 3I/ATLAS as the mysterious interstellar visitor fuels alien ...

Need a refresher about 3I/ATLAS? Here's everything to know about the interstellar object, including when the latest ...

Scientists have confirmed that 3I/ATLAS is only the third interstellar object ever detected passing through our Solar System.