New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth ...

Strange interstellar comet speculated to be alien spacecraft is older than Solar System - Scientists say comet represents ...

As much as Steven Spielberg likes aliens, he seems to prefer holding them at arm’s length. The creatures in Close Encounters ...

Neil deGrasse Tyson calls on the government to just show the alien, saying Americans are ready for disclosure after years of ...

Even at this early stage in our spacefaring age, humanity has already begun sending probes that will eventually reach other ...

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology ...

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow ...

Astrophysicist Neil deGrasse Tyson has a blunt request for the government as the Pentagon rolls out the highly anticipated ...

A mind wrapped in skin and bone can feel like the obvious model for consciousness. But that assumption may say more about where you live than about what consciousness really requires.

A lot of the alien races in the Star Trek universe are humanoid, and the original series explained that fact way back in the ...