The latest disclosure adds new material to a long-running government archive. Officials describe unresolved cases, not ...

The moment of first contact with extraterrestrials is a staple of science fiction. It usually involves a frantic scientist ...

Harvard astrophysicist Avi Loeb has said that he explored the newly-released Pentagon UFO files, arguing that while most cases likely have conventional explanations, a small number of anomalies remain ...

The group leading the charge in the search for extraterrestrial life has given the all clear: An interstellar comet looks to be completely natural and free of any alien tech. The SETI Institute said ...