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 ...

Get full access to The Daily Beast for $1 If scientists sift through the Moon’s surface, we could find microscopic dust suggesting alien life, an Oxford astrophysicist suggested NASA/NASA via Getty ...

Diggers unearth two giant bones and mysterious metal object that was created before humans even existed. See more in this clip from Season 21, Episode 4, "The Top Ten Unexplained Technologies." ...

When Comet 3I/ATLAS entered our solar system last year—only the third known interstellar object to do so—astronomers took notice. And so did scientists involved in the search for extraterrestrial ...

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 ...

The next major search for extraterrestrial intelligence might involve putting Moon dust under a microscope rather than pointing a radio telescope toward the stars. A new study led by SETI Institute ...