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 ...

The alarm is once again sounding, and it’s louder than ever. Bulletin of the Atomic Scientists’ Doomsday Clock has reached 85 seconds to midnight, the closest to midnight it’s ever ...

Add Yahoo as a preferred source to see more of our stories on Google. The Bulletin of the Atomic Scientists members, from left, Jon B. Wolfsthal, Asha M. George and Steve Fetter reveal the Doomsday ...

A new atomic clock is one of the world’s best timekeepers, researchers say — and after years of development, the “fountain”-style clock is now in use helping keep official U.S. time. Known as NIST-F4, ...

For many years, cesium atomic clocks have been reliably keeping time around the world. But the future belongs to even more accurate clocks: optical atomic clocks. In a few years' time, they could ...

The way time is measured is on the edge of a historic upgrade. At the heart of this change is a new kind of atomic clock that uses light instead of microwaves. This shift means timekeeping could ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. DENVER (KDVR) — It is said that time is ...

Poland has just started up one of the few optical atomic clocks in the world that puts old cesium fountain atomic clocks to shame. Share on Facebook (opens in a new window) Share on X (opens in a new ...

Smaller version Illustration of a conventional atomic fountain clock (left) next to NPL’s miniature atomic fountain clock. (Courtesy: NPL) A miniature version of an atomic fountain clock has been ...