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

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

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

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

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

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

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

For decades, atomic clocks have provided the most stable means of timekeeping. They measure time by oscillating in step with the resonant frequency of atoms, a method so accurate that it serves as the ...

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