New atomic clocks are more accurate than those used to define the second, suggesting the definition might need to change ...

Resembling a squat, wide fridge, the world's most accurate clock went on sale for $3.3 million in Japan on Wednesday.

The Doomsday Clock’s hands inch forward, now frozen at 89 seconds to midnight — the closest they have ever been to global ...

The threat of GPS jamming extends beyond aviation. Without GPS, our lives would grind to a halt: in 2017, a government report ...

Kyoto-based precision equipment manufacturer Shimadzu Corporation has begun selling the ... lattice clock, developed in ...

Learn how the Doomsday Clock serves as a potential indicator for health crises, including substance use disorders and ...

Resembling a squat, wide fridge, the world's most accurate clock went on sale for $3.3 million in Japan on Wednesday. Known ...

Daylight saving time is a divisive topic. Our columnists unpack its origins.

The "Aether clock OC 020" is so precise that it would take 10 billion years for it to deviate by 1 second Resembling a squat, ...

In 1967, the world's timekeepers, an intergovernmental body called the General Conference on Weights and Measures, agreed to define time using atomic clocks, rather than by the Earth's rotation.