Some UFO cases remain difficult to explain, but that is only the beginning of the scientific question. The evidence needed to ...

Claims that aliens are already here are everywhere, but proving them is another matter. The strongest cases become more ...

Is intelligent alien life really out there? With powerful telescopes identifying more potentially habitable planets each year ...

Could we find alien technology embedded in moon dust? The bold idea, not yet peer-reviewed, suggests checking out the lunar surface for "microscopic technosignatures." The SETI Institute — or the ...

You might think this column is about UFOs and the Pentagon's recent declassified files. It's not. We're talking about technosignatures, the evidence of alien technology: a radio or laser signal, ...

A new study proposes searching the moon for remnants of ancient extraterrestrial technology. Researchers suggest the moon's surface could preserve microscopic "technosignatures" left by alien ...