One of the biggest challenges in modern physics is uniting quantum mechanics and general relativity. A new experiment may ...

The record-breaking achievement could lead to practical, utility-scale quantum computers that are both smaller and faster.

Scientists propose using quantum-entangled clocks to test how gravity affects quantum mechanics in curved spacetime.

Possibly originating with the English poet Geoffrey Chaucer's "time and tide wait for no man," the idea that time waits for ...

Vietnam is taking drastic yet cautious steps in building a culture of nuclear safety and security, with the aim of having its ...

Ample sunshine, ice cream, and afternoons at the beach might leave you wishing that summer would never end. Unfortunately, ...

Two days this summer have been unusually short, with the shortest expected on Aug. 5, leading global timekeepers to consider ...

Tuesday, July 22, is expected to be the second of three days in 2025 where more than a millisecond could be shaved off the ...

Check out some of our exclusive sketches and commentary from 'Captain Henry and the Graveyard of Time' illustrator, Bruce ...

Earth doesn't rotate exactly on schedule. Scientists believe that today is going to be about a millisecond short of a typical ...

All the datacentres that run the internet, communications and financial transactions, they are based on precise timing. We also need a precise knowledge of time for navigation, and particularly for ...

Earth has been spinning faster for the past few years — a trend that could lead the world’s timekeeping institutions to take ...