When astronomers announced Kepler-452b, they were not just adding another distant world to a growing catalog. They were ...

The Search for Extraterrestrial Intelligence (SETI) focuses on finding technosignatures—potential signs of alien technology. If we look carefully, we might have a chance at detecting their ...

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

If there's one modern astronomical concept that has successfully permeated the mainstream media, it's the "Goldilocks zone." Not only is it associated with the search for alien life, one of the more ...

Astonishingly, we can identify molecules present in the atmospheres of exoplanets.

An ocean world that's teeming with microbes — and who knows what other kinds of life — is currently the best explanation for some chemical signatures that the James Webb Space Telescope has spotted in ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustrated moon-forming disk surrounds an alien planet. (NASA, ESA, CSA, STScI, Gabriele Cugno/University of Zürich, NCCR ...

More planets could be homes for aliens than we thought, scientists say - Planets we thought were not inhabitable might ...

Could alien life be hiding just 120 light-years away? That’s the question raised by a new study led by Professor Nikku Madhusudhan of the University of Cambridge’s Institute of Astronomy. Published on ...