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 “Doomsday Clock” on Tuesday moved to 85 seconds till midnight, bringing the world closer than ever to destruction on the ...

The Bulletin of the Atomic Scientists set the clock to 85 seconds before midnight, the theoretical point of annihilation.

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

The symbolic Doomsday Clock managed by the Bulletin of the Atomic Scientists, moved forward by 4 seconds this year, to 85 ...

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 ...

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

The most precise clocks ever built are now testing Einstein, hunting dark matter, and reshaping how we define time itself. In ...

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 ...

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

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