Entangled atoms, separated in space, are giving scientists a powerful new way to measure the world with stunning precision.

Researchers at the University of Basel and the Laboratoire Kastler Brossel have demonstrated how quantum mechanical ...

UK researchers shrink atomic fountain clock to 5 percent size, keeping ultra-precise time and making it portable for wider use.

Where some cities fade away with time, others are deliberately erased and destroyed. Deep within Central Asia, a chilling ...

On Jan. 27, the Bulletin's Science and Security Board will reveal the 2026 Doomsday Clock time during a live, in-person news ...

For many years, cesium atomic clocks have been reliably keeping time around the world. But the future belongs to even more ...

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

Nature’s annual list of technologies to watch is a chance to celebrate progress and stimulate research into both ...

A study involving quantum collapse model has shown that time is not uniform but has tiny fluctuations that put limits on its ...

Now at 89 seconds to midnight, the clock is symbolic and has been maintained by the Bulletin of the Atomic Scientists since ...