Our World Clock app makes managing time zones a breeze. It keeps you in sync with people worldwide. The app offers time zone ...

Questing for a truly constant “tick,” scientists have zoomed in on the atomic world, where the minuscule scales and ...

The Bulletin of the Atomic Scientists (BAS) said it had acted because the world was becoming "more dangerous". The clock, created by the journal in 1947, is a metaphor for how close mankind is to ...

Frescoes buried by volcano uncovered in ancient dining room in Pompeii Here are 5 common traits of Americans who can never, ever retire — how many do you have?

Meet the “nuclear” clock: a device that marks the passage of time via minute signals from the nucleus of an atom. A team of researchers led by scientists at JILA, a joint institute of the ...

The Technical University of Vienna (TU Wien) has achieved a groundbreaking milestone in timekeeping. After years of research, ...

Scientists at JILA in the US have used thorium to make a nuclear clock that is much more accurate and precise than an atomic clock.

The official start of fall is just around the corner, and it comes with shorter days and longer nights. On Sunday, Nov. 3, we ...

Atomic clocks have been used for decades – but now, even greater precision has become possible: presenting the world's first ...

Is it time to stop changing our clocks twice a year? Here's a state-by-state look at efforts to make daylight saving time ...

F OR THE discerning timekeeper, only an atomic clock will do. Whereas the best quartz timepieces will lose a millisecond every six weeks, an atomic clock might not lose a thousandth of one in a decade ...

Atomic clocks are considered to be the most accurate timekeeping instruments available today. But now a new technology has been developed that promises even greater accuracy: Atomic clocks could be a ...