Strange But True

Denver UFO Sightings Revealed in Declassified Air Force Reports

A website called has just published what it's calling Project Blue Book, which consists of a reported 130,000 pages worth of declassified Air Force documents related to investigations of UFO sightings. The majority of the material is from the 1940, 1950s and 1960s, and there are dozens upon dozens from Colorado, with a slew pinpointed to Denver -- and while officials eventually dismissed most of them, we found one that isn't brushed off quite that easily.

Look below to see four photo-illustrated examples of Denver UFO-sighting reports, including the original documents. To further explore Project Blue Book, click here.

See also: Videos: UFOs Over Denver as Captured by a True Believer

Denver UFO Sighting: August 20, 1949
Brief Summary and Analysis: Object was heading 260 deg, altitude 40,000 ft, speed 17,000 mph. Was shaped like a flying wing with heat waves emanating from the trailing edge. Object was estimated to be about the size of a B029 and was the color of aluminum. Ojbect flew in a straight line with no unusual maneuves.

Conclusion: Aircraft

Project Blue Book: 1949 Denver Sighting

Denver UFO Sighting: May 2, 1957
Brief Summary of Sighting: One object, disc shaped, size of hockey puck, reddish glow, object had cone shaped tail of blue flame, disappeared behind mountains. Conclusion: Possible meteor

Project Blue Book: 1957 Denver Sighting

Continue for more reports about Denver UFO sightings from declassified Air Force reports.
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Michael Roberts has written for Westword since October 1990, serving stints as music editor and media columnist. He currently covers everything from breaking news and politics to sports and stories that defy categorization.
Contact: Michael Roberts

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