Time is almost up on the way we track each second of the day, with optical atomic clocks set to redefine the way the world ...

The new Doomsday Clock time has been set by the Bulletin of the Atomic Scientists. Here’s what it means.

Nuclear weapons, climate change and biological threats are the biggest concerns.

The "Doomsday Clock" is a metaphor for how close humanity is to self-annihilation.

“The Doomsday Clock’s message cannot be clearer,” the Bulletin of the Atomic Scientists CEO Alexandra Bell said in a ...

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 ...

A Chicago-based group of scientists have once again warned the world is closer than ever to human-made destruction by moving ...

Doomsday Clock moves to 85 seconds to midnight as scientists warn of nuclear war, climate change and AI threats bringing ...

Smaller version Illustration of a conventional atomic fountain clock (left) next to NPL’s miniature atomic fountain clock.

The study shows that in quantum devices, reading a clock consumes far more energy than running it. This insight will help ...

Time will no longer be imposed upon us by a cesium fountain clock at the National Institute of Standards and Technology,” ...

Researchers at the UK’s National Physical Laboratory (NPL) have created a tiny atomic fountain ...