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Doomsday Clock hovers at 90 seconds to midnight for 2nd year in a row
The Doomsday Clock, whose hypothetical hands strike the minutes and seconds left until a human-made apocalypse destroys the world as…
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Extremely rare ‘rainbow clouds’ light up Arctic skies for 3 days in a row
Iridescent, rainbow-colored clouds, known as polar stratospheric clouds, have been spotted across the Arctic for days on end. (Image credit:…
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