Sputnik skies to analysis of interstellar visitors, scientists are rethinking how and where to look for physical traces of ...

Scientists may need to broaden their horizons in their search for alien life.

Astronomers suspect that a massive metallic cloud swirling in a nearby star system could be hiding a giant planet or dwarf ...

New theoretical models have strengthened the case that immense, energy-harvesting structures orbiting their host stars could ...

Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

I can't believe I missed this.

Scientists found new evidence (or lack thereof) disproving the conspiracy theory that interstellar comet 3I/ATLAS is alien ...

Quite a bit of movie magic made "Alien" the sci-fi horror classic it is -- but one of its biggest challenges was solved with ...