NASA officials have previously spoken of the possibility of extraterrestrial life amid scientific uncertainty while ...

Alien experts claim powerful extraterrestrial life exists in the universe, which is beyond the control of any government — ...

Data from the James Webb Space Telescope on exoplanet K2-18b has revealed the "strongest hints yet of biological activity ...

Are we alone? From Trump’s push to release UFO files to new NASA missions, interest in alien life is back in the spotlight.

Scientists are closer than ever to answering one of humanity’s biggest questions: are we alone? From Mars to the icy moons Europa, Enceladus, and Titan, new discoveries reveal liquid water, organic ...

What would alien life from another planet be like? But we rarely ask the opposite: What would they think of us? It’s a question that can produce some, well, uncomfortable answers if you happen to be ...

The likelihood of discovering evidence of life beyond Earth is considered quite high, according to the head of the U.S.

What would alien life from another planet be like? But we rarely ask the opposite: What would they think of us?

Carl Sagan's work in astronomy is often associated with unlocking the grand mysteries of the universe and the search for ...

'Do all aliens really need sunlight?' ...