Researchers have now found a way to make nuclear clocks a thousand times less radioactive and more cost-effective, thanks to ...

Until the late Middle Ages, time was seen in terms of how long something took. You milked the cows when they needed milking, and you harvested the crops when they were ready. Most people worked during ...

As the Bulletin of the Atomic Scientists prepares to set a new time on the Doomsday Clock, experts warn that the risk of ...