Easing you into the day with light and sound, a pick of the best sunrise alarm clocks could be just the thing you need in ...

You'd think that synchronizing the clocks across a fleet of modern servers is a solved problem, but it's actually quite a hard challenge to solve, especially if you want to get to nanosecond accuracy.

Ryosuke Fukusada designed COO and MOOV, a series of metal cuckoo and pendulum clocks, respectively, crafted from perforated ...

Today’s most advanced clocks keep time with an incredibly precise rhythm. But a new experiment suggests that clocks’ precision comes at a price: entropy. Entropy, or disorder, is created each time a ...

Unlike traditional alarms that rely only on loud noise to abruptly pull you from your slumber, sunrise alarm clocks use gradual light exposure to cue your body to wake up. Over time (usually 20 to 40 ...

When daylight saving time ends on Sunday, and mornings are gradually growing darker. Whether you’re after a gentle sunrise glow or a good old-fashioned buzzer that could wake the neighbors, we’ve ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Picture a clock ...

What started as a hobby became a full-blown business for Harold MacVittie more than a decade ago. His Chapin clock shop is still ticking.