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

Scientists have rewritten global 'first contact' protocols for how to confirm and announce the discovery of alien ...

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

The IAA SETI Committee has updated rules for evaluating and revealing the detection of extraterrestrial intelligence.

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

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

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

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 ...

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 ...