The Doomsday Clock has never been closer to metaphorical midnight. What does it mean?
The Doomsday Clock now stands at 89 seconds to midnight, the closest to catastrophe in its nearly eight-decade history. Here's a look at how — and why — it's moved.
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Doomsday clock set at 89 seconds to midnight, closest ever to "global catastrophe"
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 ...