A more precise definition of the second is crucial to all sorts of physical measurements – but to get there, scientists have to pack up their extraordinarily fragile optical clocks and take them on to ...

By Helen Regan, Su Nandar Kyaw, Ross Adkin and Angus Watson, CNN (CNN) — As the road shook beneath him, Ko Zeyer sped past crumbled buildings, buckled roads and gaping sinkholes toward his hometown of ...

As summer fades into autumn, most Australian states and territories will set their clocks back an hour as daylight saving ...

A clock honouring a town's old time zone has been unveiled at a shopping centre.The Stroud Time clock at the Five Valleys ...

Atomic clocks are the basis upon which a second is defined. But there is a new kid on the block, the optical clock, which ...

A revolutionary timekeeping breakthrough could be on the horizon as scientists explore the thorium-229 nuclear optical clock, ...

One of the largest rounds of conscription to Russia’s military for several years is underway, as President Vladimir Putin ...

Atomic clocks have long been the gold standard for measuring time and frequency. Among them, optical clocks—using atoms like ...

Did you know there was once a day in American history when some cities experienced two noons in a single afternoon?

New takes on legacy models, new movements, high complications, interesting gem-setting, stone dials, smaller case sizes, and ...

Chun Wang, a Chinese-born crypto entrepreneur, paid an undisclosed amount for the mission. Some satellites are already in polar orbit, and researchers called it a routine flight.

Rediscover travel through remote stillness, alpine thrills, or all-inclusive luxury—where every stay is rooted in authentic experiences, genuine care, and an invitation to be more “Be More Here.” ...