The Doomsday Clock is a metaphor for how close the world is to being inhabitable for humanity. Scientists just set the new time for 2025.

What Doomsday Clock reveals. Physicists like J. Robert Oppenheimer and Albert Einstein were among its creators, who sought to

The Chicago-based Bulletin of the Atomic Scientists, which runs the clock, decided to move the clock one second closer to midnight because of climate change, nuclear threats and biological hazards.

Scientists and global leaders revealed on Tuesday that the "Doomsday Clock" has been reset to the closest humanity has ever come to self-annihilation.

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 is closer to midnight than ever before. What does it mean? How is this determined? Can the clock be wound back?

Due to "deeply concerning" world trends, the Bulletin of the Atomic Scientists' said its "Doomsday Clock" is now 89 seconds to midnight.

"The 2025 Clock time signals that the world is on a course of unprecedented risk, and that continuing on the current path is a form of madness," the Bulletin said. "The United States, China, and Russia have the prime responsibility to pull the world back from the brink. The world depends on immediate action."

Today, the Doomsday Clock was set to 89 seconds to midnight, signaling that experts fear we are dangerously close to a global catastrophe.

The Doomsday Clock is now at 89 seconds to midnight and we’ve never been closer to annihilation. Here’s everything you need to know about the recent announcement, the origins of the clock, and its presence in pop culture.

For the first time in three years, the Bulletin of the Atomic Scientists moved the Doomsday Clock forward by one second.