The Asteroid Terrestrial-impact Last Alert System (ATLAS) in Chile first saw this celestial wanderer on July 1, 2025. It is ...

The mystery surrounding 3I/ATLAS has taken another wild turn, as new observations suggest the “Manhattan-sized” object is accelerating in ways scientists can’t fully explain and, stranger still, it’s ...

Is 3I/ATLAS a comet or an alien ship? Harvard's Avi Loeb warns of a 'serial killer' visitor as the interstellar object makes ...

A sudden radio signal has scientists on edge as a mystery object once believed to be far from Earth, abruptly blazes into the night sky. The mystery surrounding 3I/ATLAS has taken another wild turn, ...

Billions of years ago, while the solar system was still young, a massive object may have drifted into it. It's not a spaceship, but it is an alien visitor in its own right—a colossal interstellar body ...

Our solar system’s interstellar visitor – 3I/ATLAS – apparently has ‘jet thrusters’, a scientist has suggested. The comet is the third time an object not from our star system has wound up in our ...