This is the world's most accurate clock -- for now, anyways Improvements in clocks are setting the stage for a redefinition of the second.

Welcome to a mind-boggling journey through the world of some of the most extraordinary clocks ever created! In this video, we ...

LANCASTER COUNTY, Pa. (WHTM) — A Guinness World Record-winning clock is now on display at the National Watch and Clock Museum in Lancaster County. According to the museum, the Burgess Clock B ...

For decades, experts turned to cesium atomic clocks as the most precise time keepers, but technological advances are helping usher in a new timekeeping device reliant on more stable aluminum ions.

To reduce that time, the team turned to NIST’s own Jun Ye, whose lab at JILA hosts one of the most stable lasers in the world. Ye’s strontium lattice clock, Strontium 1, held the previous record for ...