The symbolic Doomsday Clock has been maintained by the Bulletin of the Atomic Scientists since 1947.

Since 1947 -- after the end of World War II and at the beginning of the Cold War -- the Science and Security Board of the Bulletin of Atomic Scientists have kept what they call a "Doomsday Clock." ...

Humanity is closer than ever to catastrophe, according to the atomic scientists behind the Doomsday Clock. The ominous metaphor ticked one second closer to midnight this week. The clock now stands ...

The Bulletin of Atomic Scientists reveals the 2026 Doomsday Clock setting on 27 January. Experts warn nuclear threats and AI ...

The Bulletin of the Atomic Scientists will unveil the 2026 setting of the Doomsday Clock on January 27, with nuclear weapons threats, expiring arms treaties, and growing stockpiles among key factors ...

Clocks on Earth are ticking a bit more regularly thanks to NIST-F4, a new atomic clock at the National Institute of Standards and Technology (NIST) campus in Boulder, Colorado. This month, NIST ...