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 ...

On July 1, 2025, astronomers caught sight of a mysterious object racing through the solar system. This object, now named 3I/ATLAS, became only the third known visitor from outside our planetary ...

Public fascination with alien visitors has surged again after a cryptic response from the Central Intelligence Agency about the interstellar object 3I/ATLAS. While NASA scientists have publicly ...

Why are aliens always such a cliche? This one is a mockup of the Roswell Alien from the Museum of Science’s new exhibit, “The Science of Aliens,” which opens Sunday. Click through for more images, ...

Barack Obama's insisting the USA doesn't have little green men or alien spaceships locked up in an underground bunker somewhere ... but, if they ever visit Earth, he's volunteering to lead the ...