For decades, scientists have searched the skies for signs of alien civilizations. This breakdown looks at why that approach may be outdated. If intelligence naturally leads to artificial intelligence, ...

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 ...

Decoding emergent languages in AI can have many benefits. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. In the 2016 science fiction movie ...

This story contains spoilers for "Alien: Romulus" and "Alien." Fans of the "Alien" franchise had a few concerns about the appearance of a beloved actor brought back to life by artificial intelligence.

Aliens might be transmitting communications signals to each other across exoplanets, some astronomers think. Since these signals are likely sent as narrowband radio waves, we may now have a way to ...

For more than a century, popular culture has trained us to picture extraterrestrials as bug-eyed, bipedal “little green men” ...

Scientists searched 27 exoplanets for alien technology using planetary eclipses, revealing a new way SETI hunts signals ...

In such a world, the greatest danger is not that AI becomes alien. The danger is that humans start behaving less humanly by outsourcing thinking, surrendering responsibility, and hiding behind the ...

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 ...