The first nuclear clock based on thorium-229 shows unprecedented precision and may test if fundamental constants change.

For some 15 years, I have followed the re-emergence of nuclear Thorium or ‘the green nuclear’ as it is often referred to. Way ...

Atomic clocks have been used for decades – but now, even greater precision has become possible: presenting the world's first ...

China is planning to build the world's first-ever nuclear power station using molten salt as the fuel carrier and coolant, and thorium as a fuel source. Experts say the reactors are "inherently ...

China plans to build the world's first-ever nuclear power station using molten salt as the fuel carrier and coolant, and ...

Scientists at JILA in the US have used thorium to make a nuclear clock that is much more accurate and precise than an atomic clock.

DETROIT (AP) — The federal government has stopped sending hazardous waste to a Michigan landfill from Ohio, a ripple effect ...

A recent breakthrough has paved the way for timekeeping even more precise than the measurements performed by atomic clocks.

Questing for a truly constant “tick,” scientists have zoomed in on the atomic world, where the minuscule scales and ...