The Manhattan-sized interstellar visitor hurtling through space has captured the imaginations of UFO watchers for months and still sparks debate as it heads out of our solar system ...

Harvard's Avi Loeb argues 3I/ATLAS shows signs of alien technology, from its 0.2% probability flight path to bizarre metal alloys. Could it be a 'Trojan horse'?

Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a ...

An interstellar visitor is facing its trial by fire today, and one of the world's most prominent astronomers is watching for the verdict. Some believe the object, 3I/ATLAS, may be about to unveil ...

31/Atlas remains a mystery as it draws nearer to our planet, reaching its closest point next week, but the European Space Agency claims to have caught vital new clues with an x-ray camera. The ...