Add Yahoo as a preferred source to see more of our stories on Google. The 2026 Doomsday Clock is ticking closer to midnight, signaling humanity edging to the "closest it has ever been to catastrophe" ...

Add Yahoo as a preferred source to see more of our stories on Google. At the dawn of the nuclear age, scientists created the Doomsday Clock as a symbolic representation of how close humanity is to ...

Daylight savings 2026 begins this weekend. Will you lose or gain an hour of sleep? Here's when to set clocks ahead for the spring forward time change ...

(CNN) — At the dawn of the nuclear age, scientists created the Doomsday Clock as a symbolic representation of how close humanity is to destroying the world. On Tuesday, nearly eight decades later, the ...