For all our telescopes and colliders, dark matter has remained an elusive ghost for the better part of a century. It ...

Atomic clocks have long been the gold standard for measuring time and frequency. Among them, optical clocks—using atoms like strontium or aluminum—have reached staggering levels of accuracy, with ...

Time dilation, a captivating concept embedded in Einstein’s theory of relativity, has been experimentally validated on Earth.

Atomic clocks record time using microwaves at a frequency matched to electron transitions in certain atoms. They are the basis upon which a second is defined. But there is a new kid on the block, the ...

In the Aug. 30 issue of The Loop newspaper I wrote about super accurate atomic clocks for space travel and said to think of ...

CHICAGO -- The Doomsday Clock has been set to its closest time to midnight in its history, the Bulletin of the Atomic Scientists announced Tuesday. The clock has now been set to 90 seconds to midnight ...

A newly discovered set of mathematical equations describes how to turn any sequence of random events into a clock, scientists ...

The field of optical atomic clocks, in combination with ultracold atoms, has transformed precision timekeeping and metrology. By utilising laser-cooled atoms confined in optical lattices, researchers ...

For nearly a century, scientists around the world have been searching for dark matter – an invisible substance believed to make up about 80 percent of the universe’s mass and needed to explain a ...

It is the first time that dinosaur eggs have been dated using carbonate uranium-lead dating. The post New ‘atomic clock’ ...