Scientists have updated global rules for announcing possible alien signals. New guidelines emphasize independent verification ...

Aliens could already be broadcasting clear signals across the cosmos while humans remain 'utterly blind' to them, according ...

Researchers searched interstellar comet 3I/ATLAS for artificial radio signals using the Allen Telescope Array and found none.

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

If it were a phone call, we might call it a butt dial: A strong radio signal that set off questions about whether it emanated from an advanced alien race earlier this week is now believed to have come ...

On August 15, 1977, the Big Ear Radio Telescope in Delaware, Ohio, received the most powerful signal it would ever detect during its decades of observations. The signal lasted just 72 seconds, but ...

If advanced aliens lived on a planet within a few hundred to a thousand light years away from Earth, then vast numbers of their signals must already have crossed Earth without being noticed, a new ...

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 ...

The search for extraterrestrial intelligence (SETI) has yet to detect alien technosignatures like radio waves, but the cosmos is vast, and there are plenty of places left to look. New research ...

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