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 has been set at 85 seconds to midnight, the closest it has ever been to midnight, according to the ...

The most precise clocks ever built are now testing Einstein, hunting dark matter, and reshaping how we define time itself. In A Nutshell The world’s most precise clocks are changing how we understand ...

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 2026 Doomsday Clock, at 85 seconds to midnight, has been set closer to a global catastrophe than ever before. The clock has inched closer to the impending doom in the past decade.

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

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

Can a simple piece of graphic design save the world?

This has now paved the way for a multi-ion optical ytterbium clock that combines the high accuracy of single-ion clocks with ...

This was the third time in the past four years that the scientists moved the clock closer to midnight.