By using a rare thorium nucleus as a timekeeper, physicists have demonstrated the first working nuclear clock, a device that ...

Two independent research teams have achieved a longstanding goal in physics: building a working nuclear clock. The devices, ...

Time feels familiar. It marks every moment of daily life, from the ticking of a wall clock to the changing numbers on a ...

(koto_feja/Getty Images) A breakthrough in chronometry decades in the making could redefine the limits of how we keep time.

The world’s first nuclear clocks have ticked. A team of physicists has demonstrated a ...

For decades, nuclear clocks have existed as one of physics’ most tempting promises. A ...

Every time you check the time on your phone, make an online transaction, or use a navigation app, you are depending on the precision of atomic clocks. Scientists are developing next-generation atomic ...

Imagine you're trying to keep time by listening to a room full of people clapping. If everyone claps randomly, it’s hard to tell the rhythm. But if they clap in sync, the beat becomes clear and steady ...

When it comes to navigation in outer space, keeping precise time is incredibly important, that's why NASA needs to use ...

Precision timekeeping has been rapidly evolving from astronomical observations in ancient times to mechanical clocks to quartz to present-day quantum atomic clocks, becoming a critical requirement in ...

Vladan Vuletić with members of his Experimental Atomic Physics group. From left to right: Matthew Radzihovsky, Leon Zaporski, Qi Liu, Vladan Vuletić, and Gustavo Velez. Every time you check the time ...