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

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

I can't believe I missed this.

In space, no one can you scream!

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 ...

H.R. Giger's original creature design continues to frighten audiences decades after it debuted in "Alien," but does the ...