As convenient as it might be to use your phone as an alarm clock, standalone alarm clocks come with all kinds of features that can make waking up — or even going to sleep — a little less painful.

Atomic clocks are the most accurate timekeepers we have, losing only seconds across billions of years. But apparently that’s not accurate enough – nuclear clocks could steal their thunder ...

Today most electric clocks or watches measure the steady vibrations of quartz crystals. But even the best pacemakers drift; in one form or another, creeping chaos eventually corrupts the order of ...

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

Sunrise alarm clocks mimic the gradually brightening light of the sun to ease you out of sleep. Think of it as a biological hack. “We evolved to align our sleep-wake cycles with the sun ...

Ekkehard Peik is a clock-maker. But instead of spending his days looking at tiny cogs and springs through a magnifying glass, the tools of his trade are powerful lasers, wires and, occasionally ...

The world keeps time with the ticks of atomic clocks, but a new type of clock under development—a nuclear clock—could revolutionize how we measure time and probe fundamental physics.

An ultra-precise laser synchronized to one of the world’s most precise clocks has been used to excite rapid nuclear oscillations — promising a timekeeper that could help to tackle fundamental ...

Two linguists took the time to explain the fascinating origin of o'clock. Read on to learn what the o in o’clock stands for and how the word evolved throughout history. The answer might surprise ...

Atomic clocks have served as the world’s most precise means of measuring time for over 70 years, but their reign may be finally coming to an end. According to an announcement from the National ...

Though Labor Day has passed and fall starts in less than three weeks, we’re still more than eight weeks from the end of Daylight Saving Time and turning our clocks back one hour. Daylight Saving ...