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During the Cold War, a spate of mysterious sightings ended up exposing a plot to hide nukes from the US.
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The research found evidence of unidentified lights in the sky above nuclear test sites during the Cold War.
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For two decades, the CIA conducted secretive experiments into mind control and psychological manipulation.
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The bonkers plan looked at ways to stop the Earth's rotation so that Soviet nuclear missiles would miss their targets.
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British entrepreneur William Sachiti has been looking for a way to restore the facility to full working order.
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New details have emerged of a peculiar Cold War-era phenomenon associated with Soviet missile launches.
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Newly declassified CIA documents have revealed details of a secretive Cold War spy drone that looked like a bird.
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Newly released documents have revealed how the CIA used birds and other animals during the Cold War.
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Back in the 1950s, scientists in the UK developed a nuclear mine that required live chickens to work properly.
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Former Soviet military officer Stanislav Petrov made a decision in 1983 that may have saved the world.
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A diver believes that he may have discovered a missing nuclear weapon at the bottom of the Arctic Ocean.
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A secret US facility hidden beneath the ice is believed to contain significant amounts of nuclear waste.
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For decades, military personnel at US atomic weapon sites have reported sightings of strange objects.
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The United States once planned to build an orbiting outpost to help gather intelligence about the USSR.
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Several newly declassified documents have lifted the lid on Area 51 and the struggle to keep it a secret.