The answer is that they do. There are rather well-authenticated cases spanning a wide variety of "physical effects." R ...

Summary: This list is a quick guide to the best of the wide range of UFO books. The literature varies from naive believers to fanatic debunkers. This list, however, features the people in the middle: ...

Summary: Boeing, the world’s largest aircraft manufacturer, has admitted it is working on experimental anti-gravity projects that could overturn a century of conventional aerospace propulsion ...

This sighting; if true, may be unprecedented. It is unusual because of the large number of UFOs reportedly observed at one time in combination with the supersensitive location and timing of the event.

This case is perhaps the most important concentration of vehicle interference events in the United States. On the evening of November 2, 1957, Patrolman A. J. Fowler, officer on duty at Levelland, ...

The color video footage, which lasts for a total of two minutes and fifty-five seconds, was apparently smuggled out of the secret Groom Lake "Area 51" facility in Nevada by a man referring to himself ...

Summary: An extensive listing of UFO books by author.

Summary: A system used to categorize the various types of UFO and paranormal experiences invented by Dr Jacques Vallee and is now used more often instead of the HYNEK CLASSIFICATION SYSTEM since it ...

Summary: This area of testimony deals specifically with pilot encounters, radar cases and related cases. We have no fewer than 20 witnesses from the Air Force, the Marines, the Navy, the Army, and ...

Summary: Gregory Bishop with Kenn Thomas remembers George Van Tassel's Annual Giant Rock Interplanetary Spacecraft Conventions in the Mojave Desert in the early 1950s. for 23 years, other worldly ...

In early July 1947 an incident occurred in the desert just outside of Roswell, NM. Many people have heard of the Roswell UFO crash, but very few people know the details of the incident. The following ...

Summary: While attempting to do a bit of research on the MiB, I have had quite a bit of trouble. Everywhere I looked, I kept getting sites that were all about the Movie "Men in Black." Well, guess ...