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

Astronomers who detect a credible signal from aliens after 2026 will be barred from announcing it publicly or sending any ...

Here's what they found. The post Scientists Release Results After Scanning 3I/ATLAS for Alien Signals appeared first on ...

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 ...

The moment of first contact with extraterrestrials is a staple of science fiction. It usually involves a frantic scientist ...

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 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 ...

How can radio astronomers successfully identify extraterrestrial radio signals while discerning them from Earth-based radio signals? This is what a recent study published in The Astronomical Journal ...

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 ...

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 ...