Savannah Guthrie has returned as Craig Melvin takes time away, days after an intruder confronted him on set of the "Today" ...

Now that summer has officially arrived, it might be a good time to make a note of when Daylight Saving Time ends in 2026. This year, the annual tradition comes to an end on Sunday, Nov. 1 at 2 a.m.

For decades, scientists have tried to build a device even more precise than an atomic clock, which keeps time using electrons, the negatively charged particles that whiz around in an atom. Now, two ...

The clock debate pops up every year as Americans ask the same question: Are we still changing clocks — or is daylight saving time about to disappear? Here's when and what to know about this year's ...

AI is being adopted across American businesses more rapidly every day. McKinsey has found that 88 percent of organizations use AI in at least one business function. New survey data from 451 Research S ...

One reality of modern life is that people walking down a sidewalk tend to have their attention focused downward at their phones. Our lives exist inside those phones. But should they? Public clocks are ...

Two independent research teams have achieved a longstanding goal in physics: building a working nuclear clock. The devices, developed by Beichen Huang and colleagues at Tsinghua University and by Luca ...

Scientists have built the first working nuclear clock, which uses the vibrations of atomic nuclei to keep time. Nuclear clocks have been sought after for more than two decades and could eventually ...

"So, over evolution, organisms that timed DNA copying to happen at night or in low-light conditions had fewer mutations and survived better. Their built-in 'clocks' helped schedule risky processes for ...

(NEXSTAR) – State lawmakers in more than half the U.S. have considered bills this year that would end the twice-a-year practice of changing the clocks. We’re hardly halfway through the year, and ...

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.