Physicists are quietly rewriting one of the most basic units in science, using a new generation of optical clocks that can keep time so precisely they barely lose a beat over the age of the universe.

Add Yahoo as a preferred source to see more of our stories on Google. Bulletin President and CEO Alexandra Bell moves the minute hand on the Doomsday Clock Image by Jamie Christianinews release The ...

The 2026 Doomsday Clock is ticking closer to midnight, signaling humanity edging to the "closest it has ever been to catastrophe" according to the Atomic Scientists, and the human race destroying ...

The world is closer to catastrophe than it has ever been, at least according to the scientists who maintain the Doomsday Clock. This year, the symbolic clock was set to 85 seconds to midnight, marking ...