(Patcharin Saenlakon/iStockphoto/Getty Images) The time-keeping offered by your watch or phone may be good enough for day-to-day life, but scientists are much more ambitious in terms of precision, and ...

An international meeting is considering a fundamental change to timekeeping, potentially severing the ancient link between time and the motion of the Earth.

A day on Earth is no longer linked to the rising and setting of the sun after the world’s timekeepers voted to get rid of the ...

Atomic scientists set their "Doomsday Clock" on Tuesday closer than ever to midnight, citing aggressive behavior by nuclear powers Russia, China and the United States, fraying nuclear arms control, ...

Clocks on Earth are ticking a bit more regularly thanks to NIST-F4, a new atomic clock at the National Institute of Standards and Technology (NIST) campus in Boulder, Colorado. NIST-F4 measures an ...

The Bulletin of Atomic Scientists has set the Doomsday Clock to 85 seconds to midnight. It is the closest the clock has ever been to midnight in its history. The Bulletin of Atomic Scientists said ...

Two independent experiments turn a thorium-229 nuclear transition into a working frequency reference The world’s most precise clocks currently keep time using electrons. A laser excites electrons ...

For decades, researchers around the world have been working toward this goal—and now major advances are following in rapid ...

The 2026 Doomsday Clock is ticking closer to midnight, signaling humanity edging to the "closest it has ever been to catastrophe" according to the Atomic Scientists, and the human race destroying ...