The symbolic Doomsday Clock, a global warning signal watched around the world, has moved closer to midnight than ever before.

The Bulletin of the Atomic Scientists moved the 2026 “Doomsday Clock” closer to midnight. The clock was created in the nuclear age as a symbolic representation of how close humanity is to destroying ...

Scientists are sharpening their forecasts for how long Earth can remain a comfortable home for complex organisms, and the latest work points to a much earlier cutoff than the classic textbook ...