Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

Harvard astrophysicist Avi Loeb has floated the provocative idea that humans might themselves be alien‑made 'autonomous probes,' built through advanced synthetic biology rather than evolving entirely ...

If the truth is out there, the White House has a new scientific advisory group working on finding it. Called the UAP Science Advisory Council, the group’s members aim to advise the highest echelons of ...

Eventually, we'll launch a mission dedicated solely to studying an interstellar object. When that day comes, which one should ...

Add Yahoo as a preferred source to see more of our stories on Google. A new study has found that stellar "space weather" could be making it significantly harder to detect potential signals from aliens ...

Pluto's frozen landscapes and hazy atmosphere captured by the New Horizons mission in 2015. (NASA/Johns Hopkins University ...

Ever so slightly bigger than Earth, the exoplanet LHS 3844b orbits its parent star, LHS 3844, a red dwarf 48.5 light-years ...

Aliens may well exist somewhere in the cosmos, but they are unlikely to be visiting Earth any time soon, according to a new analysis by Professor Carol Oliver of the University of New South Wales in ...

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology but found nothing beyond human-made interference. Even so, the ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration of an exoplanet in an alien star system. New research suggests that radio emissions from intelligent aliens may be ...

After reading about this topic for over a decade and spending months researching the possibilities, I’m going to show you the three most promising solutions to the paradox and explain something nearly ...

The Terminator, The Fly, Aliens, Blade Runner, Akira, and more make up our list of the best hard sci-fi movies of the '80s.