Add Yahoo as a preferred source to see more of our stories on Google. You'd think that synchronizing the clocks across a fleet of modern servers is a solved problem, but it's actually quite a hard ...

Nuclear clocks are the next big thing in ultra-precise timekeeping. Recent publications in the journal Nature propose a new method and new technology to build the clocks. Timekeeping has become more ...

Humanity is closer than ever to catastrophe, according to the atomic scientists behind the Doomsday Clock. The ominous metaphor ticked one second closer to midnight this week. The clock now stands ...