First dreamed up decades ago, the world's first nuclear clocks are set to improve quickly, becoming more precise and aiding the hunt for dark matter.

TikTok creator paints and mounts oversized clay numbers straight onto the wall for a one-of-a-kind timepiece.

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 ...

A breakthrough in chronometry decades in the making could redefine the limits of how we keep time. Using atoms of thorium-229, physicists have built functional clocks based not on the oscillations of ...

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 ...