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.

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.

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.

Earth is moving closer to destruction, a science-oriented advocacy group said Tuesday as it advanced its famous “Doomsday Clock” to 89 seconds till midnight, the closest it has ever been.

Atomic scientists on Tuesday moved their "Doomsday Clock" closer to midnight than ever before, citing Russian nuclear threats amid its invasion of Ukraine, tensions in other world hot spots, military applications of artificial intelligence and climate change as factors underlying the risks of global catastrophe.

The Doomsday Clock has been set 89 seconds to midnight, its closest point yet, due to nuclear threats, climate change, and potential misuse of AI.

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.