The strontium optical lattice clock is one of the most accurate timepieces ever made, capable of measuring seconds to 19 ...

(Adam Gault/Photographer's Choice RF/Getty Images) Researchers in China have created one of the most precise clocks ever made ...

Chinese scientists create clock so precise it could redefine second - Optical clock measures time using light emitted by electrons transitioning between energy levels ...

Scientists built a strontium clock that could redefine the second. Find out how this ultra-precise timepiece works and its potential uses in navigation and science.

The creation of atomic clocks allowed scientists to measure the second independently, based on unchanging features of nature.

There might be a lot of speculation around what Jony Ive and Sam Altman are cooking up together. But few would have expected ...

This breakthrough in precision timing is about the size of your fingernail and only loses one second every 30,000 years.

Reading analog clocks is a pretty straightforward skill to learn. However, if you’ve already learned to read and don’t want to pick up the extra skill, a word clock is a perfect ...

Some years, our winters don’t seem as bad as they once were, but still, there’s nothing quite like leaving the parka behind ...