The science that guides the Doomsday Clock, which represents how close humanity is to global catastrophe, has been moved to 89 seconds to midnight, the closest it has ever been.

What is the Doomsday Clock? It's 2025 and scientists have reset the clock closer to midnight and global catastrophe. Here's what it all means.

On January 28, the Bulletin of the Atomic Scientists updated the Doomsday Clock from 90 to 89 seconds until "midnight," as world-ending threats continue escalating at

Iconic Doomsday Clock moves one second closer to midnight as global existential threats rage. Clock factors include nuclear weapons, climate crisis, artificial intelligence, infectious diseases, and conflicts in Ukraine and the Middle East.

In a statement outlining the change, the Board highlighted three main reasons for “moving the Doomsday Clock from 90 seconds to 89 seconds to midnight.” These include ongoing nuclear risks, accelerating climate disasters, and emerging biological and technological dangers.

The Doomsday Clock has been updated to reflected that we are closer to the end of the world. Learn more about the metaphorical clock.

The metaphorical clock on the University of Chicago campus ticked forward to 89 seconds to midnight, the closest it has been since it was created in 1947.

The Doomsday Clock was first created in 1947 during the Cold War, originally set at seven minutes to midnight

The doomsday clock moved one second closer to midnight at 89 seconds, reflecting increased concerns over nuclear war, climate change, and global health. The Bulletin of the Atomic Scientists emphasized the urgency of reversing these threats.

Earth is moving closer to destruction, a science-oriented advocacy group said Tuesday as it advanced its famous “Doomsday Clock ... threats that include climate change, proliferation of ...

The Doomsday Clock is set each year by the members ... in part because of global nuclear and political tensions, COVID-19, climate change and the threat of biological weapons.