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

An alternative periodic table of elements focusing on highly charged ions reveals new science that could support the quest ...

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

What happened?On 28 April 2025 at 17:43, a massive blackout swept across Spain and Portugal after two sudden losses of solar generation pushed the Iberian grid below safe frequency limits. Power was ...

An atomic clock research team from the National Time Service Center of the Chinese Academy of Sciences has proposed and ...

ESA's state-of-the-art timekeeping facility, has been successfully installed on the International Space Station, marking the ...

As more people wake up to the fact that smartphones and sleep don't go well together, the best alarm clocks are popping up on ...

The U.S. has begun indirect talks with Iran over its nuclear program, and the question is whether this will be one more run-around to a bad deal. That’s the way it has worked for more than two ...

He and his senior aides worried that provocative actions—too much sanctions pressure or U.S. military action—might lead Mr. Khamenei to build an atomic bomb.

Just hours after they went into effect, President Donald Trump announced a 90-day pause on controversial, high reciprocal tariffs he placed on more than 180 countries Wednesday—and prior to the ...