(Adam Gault/Photographer's Choice RF/Getty Images) Researchers in China have created one of the most precise clocks ever made ...

The way the world measures time could be heading for a rare and significant overhaul. Advances in precision technology are ...

Chinese scientists create clock so precise it could redefine second - Optical clock measures time using light emitted by ...

Scientists are exploring a new type of optical atomic clock based on ytterbium-173 ions that could help define the future ...