Humanity is closer to species-threatening disaster than ever before, according to the Bulletin of the Atomic Scientists, who today moved the hand of the "Doomsday Clock" to 89 seconds to midnight. That's the closest the clock has ever been to catastrophe.

The Bulletin of Atomic Scientists announced Tuesday that the "Doomsday Clock" is now set to 89 seconds to midnight.

On Tuesday morning, the Doomsday Clock was set at 89 seconds to midnight, which is the closest it has ever been to midnight in the 78 years since it started running. So what has set off the historic change? Essentially everything, according to the 2025 Doomsday Clock statement.