Humans have wondered for centuries whether we are alone in the universe — and a new study suggests that if alien ...

When I was an intelligence officer, we had a saying about looking for "bad guys" in terrorist networks: "Don't look for your ...

The textbook grew out of more than a decade of teaching. What began as a graduate seminar evolved into undergraduate and ...

New SETI research suggests space weather like solar winds could be interfering with alien radio signals, making them harder to detect.

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 ...

A recent SETI Institute study suggests that space weather could blur and weaken extraterrestrial radio signals long before ...

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.

SETI Institute researchers suggest solar winds may have obscured alien signals by widening their frequency bands, potentially ...

E.T. could be phoning home — but we’re not hearing the call. A new study published in The Astrophysical Journal argues that “space weather” could be distorting incoming transmissions from ...

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 ...