Doomsday Clock Ticks To 85 Seconds Before Midnight, Its Closest Ever

The Bulletin of the Atomic Scientists on Tuesday set their symbolic Doomsday Clock to 85 seconds before midnight -- the closest the timepiece has ever been to the theoretical point of annihilation since scientists created it during the Cold War in 1947.

The clock now stands four seconds nearer than last year's setting, and this marks the third time in four years that the Bulletin has moved it closer to midnight. The Chicago-based nonprofit pointed to aggressive behavior by nuclear powers Russia, China and the United States, fraying nuclear arms control frameworks, ongoing conflicts in Ukraine and the Middle East, unregulated AI integration into military systems, and climate change.

"In terms of nuclear risks, nothing in 2025 trended in the right direction," said Alexandra Bell, the Bulletin's president and CEO. The last remaining nuclear arms pact between the US and Russia, the New START treaty, expires on February 5.

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