Due to the power outage, time (very) briefly stood still at the NIST Internet Time Service facility in Boulder.

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

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

When a massive windstorm in Colorado last Wednesday indirectly disconnected more than a dozen atomic clocks from their system ...

Officials said the error is likely too minute for the general public to clock it, but it could affect applications such as ...

A power outage on Dec. 19 at the National Institute of Standards and Technology (NIST) campus in Boulder, Colo., disrupted operation of the NIST-F4 atomic clock. Hurricane force winds and dry ...

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

What the Clock: Internet time servers are a critical part of the infrastructure used by companies and organizations that rely on atomic clocks to keep accurate time. A US agency responsible for ...

Researchers at the U.S. National Institute of Standards & Technology (NIST) say they have created the most accurate atomic clock to date — one that can measure time down to the 19th decimal place.

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.