Scientists have updated global guidelines for announcing possible evidence of intelligent alien life, aiming to prevent ...

Scientists found no alien signals from interstellar comet 3I/ATLAS after a fresh 7-hour radio scan.

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

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 ...

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 ...

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 ...

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 ...

Estimating the chance of getting a message from life beyond Earth, say within the next decade, isn’t easy. Even the best experts are reluctant to offer precise odds. “Anybody who gave you a figure ...