Humans have been searching the stars for alien radio signals for decades — and so far, E.T. has not phoned home. But that doesn’t mean intelligent life isn’t out there, a new study hints. Rather, ...

No alien signals have been detected from an interstellar, cigar-shaped space rock discovered travelling through our Solar System in October, researchers listening for evidence of extraterrestrial ...

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 ...

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 ...

NASA’s James Webb Space Telescope has eliminated two suspected Dyson sphere candidates after new observations showed that ...

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of biology because they are often produced by living microbes. However, ...

Add Yahoo as a preferred source to see more of our stories on Google. In a series of papers, astronomers have compared the "Wow!" signal to similar radio signals detected at Big Ear Observatory in ...

Hello, London, it’s ET calling. A group of UK scientists has applied for government funding to open a British listening post in the search for extraterrestrial intelligence (SETI). With annual ...

NASA’s Pandora mission has begun its hunt for secrets hidden in exoplanet atmospheres. The spacecraft will study at least 20 alien worlds and their host stars, helping scientists separate planetary ...