As more people wake up to the fact that smartphones and sleep don't go well together, the best alarm clocks are popping up on more nightstands. Mornings are brutal enough without your phone shrieking ...

Atomic clocks record time using microwaves at a frequency matched to electron transitions in certain atoms. They are the basis upon which a second is defined. But there is a new kid on the block ...

(NEXSTAR) — Roughly a month ago, most Americans lost an hour of precious Sunday sleep as daylight saving time began and our clocks jumped forward. The U.S. again could be on the precipice of ...