The world’s network of atomic clocks is already mind-bogglingly accurate. They also underpin a slew of modern necessities, ...

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

You may not know it, but there have been times where an extra second has been added to our days.

For a clock that keeps time with laser light, even a slight shift in the laser’s frequency changes its rhythm. Researchers in ...

A nuclear clock that uses thorium nuclei to keep its own laser on time ran for a full day unaided and could someday rival ...

The world's first nuclear clocks have ticked. A team of physicists has demonstrated a working timekeeping device regulated not by orbiting electrons — as in conventional atomic clocks — but by ...

The new atomic clock from physicists in Singapore has crushed all previous records. Physicists in Singapore have built an ...

Scientists in Vienna have achieved a major breakthrough in timekeeping by creating the world’s first self-stabilizing nuclear clock, a technology that could eventually surpass even the most precise ...

Add Yahoo as a preferred source to see more of our stories on Google. A new study suggests trapped-ion atomic clocks could detect quantum superpositions of time, opening a path toward uniting quantum ...

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

Learning about the world and English through overseas articles ]Scientists in Vienna and Beijing create world's first nuclear ...

Leap seconds could soon become a thing of the past as experts adopt a new approach to global timekeeping.