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.

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 ...

After approximately four months of observing standard time, clocks will spring forward overnight as the observance of daylight saving time begins in much of the United States. The change takes place ...

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

When used correctly, they can help us unpick some of the mysteries of our biology, and our mortality. Be honest: Have you ever looked up someone from your childhood on social media with the sole ...

For most people, the fastest way to check the time is by looking at their phone's lock screen. After all, you always have your phone with you, and all it takes is just one quick glance. The problem, ...

The return to "standard time" is better for our health according to sleep scientists, but the time change can be disruptive, and our bodies must also adjust to more hours of darkness as we head ...

Some people check a wristwatch; others use a smartphone app or the position of the sun. But although these methods will tell you what time it is, they won’t reveal your internal time – that is, the ...

NEW YORK — Yes, you’ll get a shot at an extra hour’s sleep. But even with that, it might be one of the most dreaded weekends on the American calendar: the end of daylight saving time. Only 12% of U.S.

A night-shift worker finishes at dawn. Their phone says Tuesday, but their body feels like it's Monday. The body's internal ...