For decades, atomic clocks have provided the most stable means of timekeeping. They measure time by oscillating in step with ...

Atomic clocks record time using microwaves to measure the frequency of quantum vibrations of electrons. They are the basis upon which a second is defined. But there’s a new kid on the block, the ...

From time to time, you might notice a shot of a clock in a movie. In a film like "Back to the Future," they're key to the plot; lightning strikes the clock tower at exactly 10:04 p.m. But often, ...

The Doomsday Clock, a symbolic measure of humanity's proximity to catastrophic destruction, has been set at 89 seconds to midnight—the closest it has ever been, symbolizing humanity's shortest margin ...

The Doomsday clock was set at 89 seconds to midnight on Tuesday morning, putting it the closest the world has ever been to what scientists deem "global catastrophe." The decades-old international ...

When do clocks change? Daylight saving time ends at 2 a.m. on Sunday, Nov. 2, as clocks fall back one hour. It will mean most people in the U.S. and Canada gain an extra hour of sleep as standard time ...

Humanity is closer than ever to catastrophe, according to the atomic scientists behind the Doomsday Clock. The ominous metaphor ticked one second closer to midnight this week. The clock now stands ...

Officials said the error is likely too minute for the general public to clock it, but it could affect applications such as critical infrastructure, telecommunications and GPS signals.

Sommarøy’s time-free zone was, in a sense, an attempt by residents to reclaim their connection to a more natural measure of ...

A steeple clock at the Unitarian Universalist Church in Carlisle, Massachusetts on Nov. 3, 2023. Reporter On March 9, most people in the U.S. will set their clocks forward an hour, thanks to the start ...

When daylight saving time ends on Sunday, and mornings are gradually growing darker. Whether you’re after a gentle sunrise glow or a good old-fashioned buzzer that could wake the neighbors, we’ve ...