Douglas McIntyre explains the history and significance of the Doomsday Clock, which was recently set to 89 seconds to midnight—the closest ever. Originally created by atomic scientists, the clock now reflects growing concerns about climate change,

The Doomsday Clock, a symbolic measure of humanity's proximity to catastrophic destruction, has been set at 89 seconds to midnight—the closest it has ever been, symbolizing humanity's shortest margin from potential catastrophe since the clock's creation.

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

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 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.

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 ...