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 ...

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 ...

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 ...

AUSTIN, Texas -- A mysterious alien space vessel has crash-landed here in Austin, TX! But have no fear, this wreckage site is all part of an interactive experience at South by Southwest, giving guests ...