The third known visitor from another star system, Comet 3I/ATLAS, has been racing through the Solar System with just enough ...

An amateur photographer in Portland captures rare images of interstellar Comet 3I/ATLAS using a smart telescope as the ...

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 ...

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

The interstellar object 3I/ATLAS, captured by the James Webb Space Telescope. Imagine an object sailing through the black void, a piece of cosmic shrapnel that was formed in a star system light years ...

A recent theory proposed by a NASA scientist suggests that extraterrestrial civilizations may not possess the wildly advanced technology that many UFO enthusiasts expect. This perspective, which ...