Machined from a single block of aluminum, the Clock stands about four inches tall including a carrying loop and control dial ...

Milled from solid aluminum, this travel-friendly timekeeper swaps traditional hands for an innovative glowing display and ...

No more guessing.

The famous cuckoo clock, with its moving, chirping mechanical bird indicating various divisions of time, has been around ...

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

Nuclear clocks are the next big thing in ultra-precise timekeeping. Recent publications in the journal Nature propose a new method and new technology to build the clocks. Timekeeping has become more ...

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

Scientists are exploring a new type of optical atomic clock based on ytterbium-173 ions that could help define the future standard for measuring time.

That big grandfather clock in the library might be an impressive piece of mechanical ingenuity, and an even better example of fine cabinetry, but we’d expect that the accuracy of a pendulum timepiece ...