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UFOs potentially identified in 1950s images, study finds

Researchers found 4,528 transient flashes on 310 nights in mid-20th century sky data linked to Cold War nuclear tests and a 45% rise near these events, raising origin questions.

Summary
Discussions about unidentified aerial phenomena (UAPs), or UFOs, continue to be widely debated in the U.S., and now, another new wrinkle has been added. Scientists at the Palomar Observatory studying photos from the 1950s discovered unusual, starlike flashes that appeared and disappeared within an hour. The transient objects were captured years before the first man-made satellite was launched, the researchers added.

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A recent study reveals that scientists have discovered mysterious "transient objects" while analyzing astronomical photographs from the 1950s. Further comparative research found that these photographed unidentified aerial phenomena (UAPs)—or UFOs—occurred more frequently after human nuclear tests. Simultaneously, the number of reported UFO sightings near nuclear test sites also increased significantly during this period.

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Live Science broke the news in United States on Saturday, November 29, 2025.
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