A new atomic clock is one of the world’s best timekeepers, researchers say — and after years of development, the “fountain”-style clock is now in use helping keep official U.S. time. Known as NIST-F4, ...

While some of us can fall asleep anywhere from a noisy auditorium to a brightly lit train station, others are more fussy, requiring quiet and dark to nod off. [Craig Lindley] likes to minimize light ...

Vicki Ruark pushed a button on the side of one display motion clock, watching its face seemingly come apart and dance to the sound of a gentle tune. Rhythm Small World Clocks come in a variety of ...

Swiss clockmaker L’Epee has revisited its sports-car-as-clock Time Fast series with a new desk clock based on the racers of the 1960s. Opting for the two seater, enclosed wheel silhouette that ...