F4, the latest cesium fountain clock that now stands as one of the most accurate timekeepers in the entire world.

According to scientists at NIST in Boulder, their newest atomic clock, the NIST-F4, will help track time more precisely and ...

Millions of Canadians head to the polls to elect a new government in the shadow of concerns over Trump’s tariff regime.

Clocks on Earth are ticking a bit more regularly thanks to NIST-F4, a new atomic clock at the National Institute of Standards ...

Donald Trump said in a wide-ranging interview with Time that he isn't "100 percent" in agreement that the United State is a ...

Ending biannual clock switching seems like the kind of bold move Trump loves. But as Congress considers a change, he has ...