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 ...

One of the largest searches for alien intelligence in history is nearing completion, thanks to the help of more than 2 million citizen scientists and the legendary Arecibo Observatory. Launched in ...

Add Yahoo as a preferred source to see more of our stories on Google. A high-frequency SETI search using ALMA opened new radio bands and showed that past surveys may have covered millions more stars. ...

A group of Chinese scientists is diving deep into the cosmos in search of alien radio signals from the TRAPPIST-1 star system, which might house planets that could support life. This is no small feat, ...

When/if alien life ever cruises toward Earth in big spaceships, we’re probably not just going to see it; we’re going to hear it via narrow radio signals. If an extraterrestrial civilization wanted to ...

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 ...

Could the interstellar object 3I/ATLAS exhibit technosignatures, or signals of alien technology? This is what a recent study published in The Astronomical Journal hopes to address as a team of ...

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 ...

What steps can be taken to identify why we haven’t received radio signals from an extraterrestrial intelligence, also called technosignatures? This is what a recent study published in The ...

Scientists around the world have spent decades pointing radio telescopes at the sky, hoping to catch that one signal proving we’re not alone in the universe. But now researchers at SETI are asking: ...

Staring into the starry night sky convinces many of us that we can’t be alone in this universe. So far, astronomers have been looking for alien signals in a specific part of the radio spectrum, which ...

The search for alien radio signals has spent decades listening in a familiar part of the spectrum. A first-of-its-kind survey now suggests that unexplored higher frequencies could widen the hunt, ...