Searching for extraterrestrial intelligence has so far primarily meant focusing on one particular type of signal—and that ...

A recent theory proposed by a NASA scientist suggests that extraterrestrial civilizations may not possess the wildly advanced technology that many UFO enthusiasts expect. This perspective, which ...

Experts stress need for transparency while aiming to prevent premature announcements and protect scientists ...

The Fermi paradox asks why we haven’t found aliens yet. Scientists say the answer may lie in timing, technology, and the vast scale of space.

Astronomers might be hunting for alien signals in all the wrong places. A new ...

For decades, the search for alien intelligence has revolved around the question: if someone out there is listening, how could they hear us? A new study combining data from Penn State and NASA's Jet ...

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 retired US Navy rear admiral has claimed that 'higher-order non-human intelligence' effectively rules Earth's oceans, telling a US magazine that physics-defying UFO encounters convinced him alien ...

We are more likely to detect signals from artificial intelligences created by aliens than to hear from the aliens themselves FORGET little green men, SETI – the search for extraterrestrial ...

Researchers at SETI (the Search for Extraterrestrial Intelligence) might be looking for the wrong thing, says one of SETI's astronomers in The Guardian. They're looking for aliens that are like us.

It may not breathe, eat, or sleep. It may not reproduce in any ordinary sense. It may not have a face, a voice, or a body shaped by evolution. It may be a machine. This is not a wild idea – it follows ...