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 ...

A former Pentagon official who led the government’s investigation into unidentified flying objects says the U.S. recovered ...

Some UFO stories collapse the moment the evidence is examined, but others leave behind questions that are much harder to dismiss. This video digs through famous encounters involving pilots, radar ...

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 ...