To align Universal Coordinated Time with the Earth’s rotation, a second occasionally gets added to the year. That may change in 2027 ...

Your eyes ache, your body feels heavy and the alarm is already beginning to loom over the night, yet your brain refuses to ...

These large energy-consuming projects are reshaping communities across America. What's their real impact? Here's our ...

To stay in sync, we rely on an intricate and fragile system.

Employees' biological clocks do more than determine when they reach for coffee; they fundamentally shape how, when and why ...

Together, they form Helios, a new quantum computer built by the British-American company Quantinuum. Quantum computers use ...

Research has revealed how bacteria rely on circadian clocks to control the spread of their multicellular colonies. The ...

Two independent teams of scientists have created the first functional clocks that can keep ultraprecise time using the nuclei ...

The best timekeepers today—atomic clocks—work off the quantum vibrations of an atom, specifically its electrons. But physicists have long dreamt of even better clocks that run on atomic nuclei, which ...

A clock based on radioactive thorium atoms realises a long-held ambition, demonstrating a technology that could eventually beat the accuracy of today’s best atomic clocks ...

The 2026 World Cup is set to kick-off on Thursday with Mexico opening the tournament against South Africa at the Azteca Stadium, with the events dominating the sporting landscape for the next month.

California voters can choose any primary candidate, regardless of party, and two candidates from the same party can potentially face off in the general election. By Livia Albeck-Ripka For more than a ...