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 ...

An impending apocalypse is coming faster than we thought, after atomic scientists moved the hands of the "Doomsday Clock" ...

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 ...

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

Daniel Holz, Bulletin Science and Security Board Chair"The Doomsday Clock is now at 85 seconds to midnight, the closest it ...

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

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 ...