Add Yahoo as a preferred source to see more of our stories on Google. At the dawn of the nuclear age, scientists created the Doomsday Clock as a symbolic representation of how close humanity is to ...

By replacing single atoms with an entangled pair of ions, physicists in Germany have demonstrated unprecedented stability in ...

Once considered an oddity of quantum physics, time crystals could be a good building block for accurate clocks and sensors, ...

Keeping perfect time is far trickier than it sounds. The world’s best clocks that ...