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The Doomsday clock was set at 89 seconds to midnight on Tuesday morning, putting it the closest the world has ever been to what scientists deem "global catastrophe." The decades-old international ...

The experts who maintain the ominous Doomsday Clock said Tuesday that humanity is still as close as ever to global catastrophe, which could involve nuclear war, climate change, or maybe even ...

The Doomsday clock remained set at 90 seconds to midnight in its newest update Tuesday morning — the latest iteration of a decades-old international symbol meant to illustrate how close humanity is to ...