Stacker compiled a ranking of cities with the most UFO sightings in Arizona using data from the National UFO Reporting Center.

PHOENIX — In just a few days, thousands of people will flood the streets in Roswell, New Mexico for the annual UFO Festival to celebrate one of the most notorious UFO sightings to date. Here in ...

The 2026 UFO/UAP document release hit a nerve because it was the first time the government dumped such a massive cross-agency archive into public view all at once: FBI records, military reports, NASA ...

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Two commercial airline pilots flying separate planes claim they spotted a mysterious object flying around 12,000 metres over southern over Arizona last month. And the Federal Aviation Administration ...

A 2026 document release revealed decades of U.S. government UFO/UAP investigations. Arizona appears frequently in UFO files from the 1940s through the 1960s. Notable Arizona cases include a 1947 Grand ...