For a brief window this month, the official clocks that quietly coordinate the Internet’s heartbeat slipped out of sync. After a power outage hit key servers in Colorado, the National Institute of ...

NIST traced the problem to its Boulder, Colorado campus, where a prolonged utility power outage disrupted operations. The ...

Thanks to Einstein’s relativity, time flows differently on Mars than on Earth. NIST scientists have now nailed down the ...

"As the typical uncertainty of time transfer over the public Internet is on the order of one millisecond (1/1000th of a ...

A destructive windstorm disrupted the power supply to more than a dozen atomic clocks that keep official time in the United ...

The National Institute of Standards and Technology last week officially launched a new atomic clock that scientists are calling the most accurate time measurement device in the world. Called NIST-F2, ...

The Internet Time Service operated by the National Institute of Standards and Technology (NIST) serves much of the Earth, with customers from around the globe. In one month of study alone, just two of ...

The National Institute of Standards and Technology’s Internet Time Service Facility in Boulder lost power Wednesday afternoon ...

NIST restored the precision of its atomic clocks after a power outage caused by a power outage disrupted operations. Discover ...

The National Institute of Standards and Technology building in Boulder, Colorado, houses lasers and quantum physics that unlock far more than the passage of time. NIST shares the building with the ...

BOULDER • Every second in a small laboratory room in Boulder, a green light flashes. Within the webs of yellow wire and shelves of computer systems, this green light represents the passage of time.