Priyan R Naik When I stepped away into retirement a few years ago, my wife strongly suggested I adopt a habit practiced by one of our older relatives. Every afternoon, without fail, he would quietly ...

Researchers at TU Wien have built the world's first stand-alone, self-stabilizing nuclear clock based on thorium-229, which remained stable for more than 24 hours and reached a precision of about ...

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 use atomic clocks to measure slices of time as ...

Beijing has completed a map of the Earth’s natural satellite. But who will decide how time is measured on the Moon?

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

Ultraprecise clocks that use transitions in atomic nuclei to keep time show promise as a next-generation time standard and for probing fundamental physics.

PROLOGUE: 85 seconds until the end"What is the Doomsday Clock?"This dialogue began with that question.The Doomsday Clock is a ...

In the October 1, 2026 issue of Nature, a paper attributing the primary cause of the decadal millisecond fluctuations in the ...

Time can be a controversial business, not least in Australia where time zones multiply during the summer months.

Physicists have used radioactive lutetium to create what they say is the most accurate atomic clock ever, keeping time perfectly up to 19 decimal places.

Cesium atomic clocks deliver resilient 5G timing with stable, autonomous operation when GNSS is disrupted and advanced ...

Lutetium clocks have achieved record accuracy and comparison precision, making them promising candidates for future time ...