Scientists in the U.S. have built the most accurate clock in the world—so precise it can measure time down to 19 decimal ...

The National Institute of Standards and Technology (NIST) has set a new record by developing the world's most accurate clock, an atomic device with 19 decimal places of precision.

There's a new record holder for the most accurate clock in the world. Researchers at the National Institute of Standards and Technology (NIST) have improved their atomic clock based on a trapped ...

Scientists at NIST have developed the world’s most accurate atomic clock using a single aluminum ion, marking a breakthrough in timekeeping.