Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about modern anxieties than the past itself?

Debunking alien claims matters, but so does telling richer, more compelling stories about how humans shaped their own past.

Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about ...

Shaped by a different biology or culture, other intelligent civilisations – if they’re out there – might understand the ...

Over hundreds of thousands of years, humans somehow evolved a type of intelligence found nowhere else in the animal kingdom, at least on Earth. According to the most famous theory describing the ...

A new psychedelic retreat calling itself a “SETI for the mind” aims to establish two-way communication with the nonhuman entities people encounter while tripping on DMT.

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

Humans could have come from Mars, scientists have said. A study by Johns Hopkins University has found that alien microbes could travel between planets on asteroids, meaning humans could be descended ...

What: SETI Institute Artists-in-Residence present Exoplanetary Poetry, an art-science collaboration that trains artificial intelligence on exoplanet atmospheric chemi ...

Wright-Patterson has played a central role in the US military’s real investigations into mysterious objects in the sky — from ...