No one knows exactly what to expect if we encountered other forms of alien life. Would they talk like us? Look like us? Or ...

Advanced aliens could be chatting with each other using light flashes in plain sight, similar to how fireflies communicate, ...

A provocative theory circulating among artificial intelligence researchers suggests that once machines achieve human-level intelligence and beyond, they might create something entirely unexpected: a ...

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The ...

In the 2016 science fiction movie Arrival, a linguist is faced with the daunting task of deciphering an alien language consisting of palindromic phrases, which read the same backwards as they do ...

The research is mounting up that we might not be alone in this big wide world. So what's the likelihood that aliens are out ...

Radio telescopes have long scanned quiet patches of sky for a lone, artificial-sounding ping, but a growing body of research ...

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a ...

Editor’s note: The following is an excerpt from Reinventing SETI: New Directions in the Search for Extraterrestrial Intelligence, published by Oxford University Press in August 2025. John Gertz is the ...