Explore the UFO mysteries J. Allen Hynek uncovered with Project Blue Book and how his findings challenged the Air Force's ...

Get the latest news about Project Blue Book. Find exclusive interviews, video clips, photos and more on Entertainment Tonight.

In these science fiction books, extraterrestrial beings are sympathetic, horrifying and everything in between.

His was the first widely reported UFO sighting in this country and set off a wave of other reported sightings. On July 2, A ...

The Advanced Aerospace Weapons Systems Application Program was the largest government-funded UFO investigation in history, ...

There are a ton of books in this sale, so making recommendations is both very easy and very difficult at the same time. I'll reiterate once again that it's absolutely worth just going into the sale ...