A set of photos taken over 70 years ago may hold the key to new revelations surrounding the existence of unidentified aerial phenomena (UAPs) – or UFOs – popping up near nuclear testing sites. 

Scientists at California’s Palomar Observatory have recently discovered several instances of transient, star-like flashes in photographs from the 1950s, according to a research paper published in Nature’s Scientific Reports on Oct. 20, 2025. 

"We speculate that some transients could potentially be UAP in Earth orbit that, if descending into the atmosphere, might provide the stimulus for some UAP sightings," the paper states.

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