Seventy-eight years ago, scientists created a unique sort of timepiece — named the Doomsday Clock — as a symbolic attempt to gauge how close humanity is to destroying the world. On Tuesday, the clock ...

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

Once again, most Americans will set their clocks forward by one hour this weekend, losing perhaps a bit of sleep but gaining more glorious sunlight in the evenings as the days warm into summer. How we ...