Nuclear clocks are a technology researchers have been working toward for decades. New research in theoretical physics brings them closer to reality.

In 2008, a team of UCLA-led scientists proposed a scheme to use a laser to excite the nucleus of thorium atoms to realize extremely accurate, portable clocks. Last year, they realized this ...

Ask someone on Earth for the time and they can give you an exact answer, thanks to our planet's intricate timekeeping system, ...

On Earth, knowing the time feels simple. Your phone pings the same second as a GPS satellite and an atomic clock in a lab.

Scientists are building a nuclear clock so precise it could detect dark matter and test the laws of physics. The secret? A ...

In the 80th year of the nuclear age, with just 89 seconds left on the Doomsday Clock, every nuclear challenge is trending in ...

AI is already sufficiently robust that it introduces new global risks and exacerbates existing threats. Its development is ...

Einstein explained that gravity affects each passing second. Clocks slow down where gravity grows stronger. Clocks speed up ...

This temporal lag is a direct consequence of Albert Einstein’s Theory of General Relativity. The rule is simple: the weaker ...

Scientists have made a major step towards building the world's first practical nuclear clock.In a study published today in Nature, the team ...