If 3I/ATLAS isn’t an alien probe, its discovery may be even more important. Scientists detected no radio signals from the ...

A comet from another star system does not arrive every year. That is part of what made 3I/ATLAS so compelling when it ...

Astronomers swept millions of candidates and found no alien signals from K2-18b, setting the first power limit on any ...

Radio silence has long puzzled those searching for extraterrestrial intelligence, but the answer might lie much closer to the source of potential signals than previously thought. Conditions around ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Scientists have searched the skies for alien radio signals for more than 60 years, but all ...

Scientists hunting for radio signals from any form of advanced extraterrestrial life that might be out there trying to contact us are now starting to wonder if something has been messing with their ...

One of the longest-standing techniques in humanity’s search for life beyond Earth may be causing scientists to miss alien signals entirely, a new study finds. Since the very beginnings of the search ...

It's difficult to believe that, given the enormous extent of outer space around us, there aren't other life forms out there. Humanity has long been intrigued by the idea, with movies, books, and TV ...

Just over 40 years ago, in his novel Contact, astronomer Carl Sagan imagined what it would be like to detect radio signals beamed from other intelligent lifeforms in the galaxy. In the story, these ...