Scientists are exploring a new type of optical atomic clock based on ytterbium-173 ions that could help define the future standard for measuring time.

Discover how rising sea levels are slowing the Earth’s rotation and what that means for the future.

The strontium optical lattice clock is one of the most accurate timepieces ever made, capable of measuring seconds to 19 ...

Atomic clocks are the heart of any satellite navigation system, providing the ultra-precise timing required to determine ...

AEW has arrived in the City of Angels for the first PPV of 2026 and one of the biggest shows of the year, AEW Revolution. The ...

I had lousy sleep habits, so I committed to 30 days of mindful rest. From a cozy mattress topper to a handy sleep tracker, here’s what helped me achieve sweet dreams.

After Kareem Abdul-Jabbar finally surpassed Wilt Chamberlain’s mark for the most points scored in NBA history, the latter was gracious in an April 1984 ceremony at the Forum, then the Lakers’ arena, ...

The clocks and timing systems we all rely on every day, underpinning phone networks and online banking services, will be ...

Rafael Grossi, Director General of the International Atomic Energy Agency (IAEA), the U.N.'s ⁠nuclear watchdog, confirmed the line had been restored, saying its completion "strengthens nuclear safety ...

By cooling an atom-thin magnetic material, physicists have experimentally confirmed a classic 1970s model of two-dimensional ...

AURORA, Colorado—Lockheed Martin and the U.S. Space Force are testing several new technologies aboard the next GPS III satellite, including a new digital atomic clock. Current GPS satellites carry a ...

To find out how clock accuracy is verified and which reference is used for comparison, we visited the Belarusian State Institute of Metrology (BelGIM), where most of the national standards are kept.