On January 27th, the Bulletin of the Atomic Scientists will reveal the 2026 Doomsday Clock time. The announcement will occur ...

"In setting the clock closer to midnight, we send a stark signal. Because the world is already perilously close to the precipice, any move towards midnight should be taken as an indication of extreme ...

Since 1947 -- after the end of World War II and at the beginning of the Cold War -- the Science and Security Board of the ...

The nucleus of an atom is now the modern version of sand flowing through an hourglass. Researchers have spent 15 years trying to increase accuracy in timekeeping. The U.S. standard currently relies on ...

The world is closer than ever to destruction, according to the Doomsday Clock, an attempt by the Chicago-based Bulletin of the Atomic Scientists to warn world leaders and civilians of man-made global ...

On a campus in Boulder, Colorado, time just became a little more exact. Inside the National Institute of Standards and Technology, or NIST, a new atomic clock named NIST-F4 has begun to tick — not ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Picture a clock ...

Ekkehard Peik is a clock-maker. But instead of spending his days looking at tiny cogs and springs through a magnifying glass, the tools of his trade are powerful lasers, wires and, occasionally, ...

Atomic clocks are the most accurate timekeepers we have, losing only seconds across billions of years. But apparently that’s not accurate enough – nuclear clocks could steal their thunder, speeding up ...