Most clocks, from wristwatches to the systems that run GPS and the internet, work by tracking regular, repeating motions. To build a clock, you need something that ticks in a perfectly repeatable way.

Gen Z is living the high life — on the job. A growing share of Zoomers — the generation aged 14 to 29 — report they’re turning to pot, booze and pills to get through the workday, sometimes before it ...

BLOOMINGTON, Minn. — Pulitzer Prize-winning editorial cartoonist Steve Sack did not intend to retire when he left the Star Tribune in 2022 after a 42-year career. “I had no choice, really,” Sack said.

Sen. Elissa Slotkin, a Michigan Democrat on the Armed Services Committee, introduced a bill Tuesday to regulate the Pentagon’s use of AI, an opening salvo in how Congress might address the military's ...

A new optical clock concept based on ytterbium-173 ions may help bridge two key strengths of modern atomic clocks: the extreme accuracy of single-ion systems and the stability of clocks that use many ...

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Clocks will skip ahead an hour at 2 a.m. Sunday for daylight saving time in most of the U.S., creating a 23-hour day that throws off sleep schedules, plunges early-morning dog walks into darkness and ...

People say it every day without thinking ― “two o’clock,” “six o’clock,” “eight o’clock sharp.” But what is the purpose of that little “o” and apostrophe? Is it short for something? Why do we only use ...

Daylight Saving Time will start at 2 a.m. local time on March 8. Reporter It’s almost that time of year again. Starting in just a few days, the sun will appear to rise later in the morning and set ...