First dreamed up decades ago, the world's first nuclear clocks are set to improve quickly, becoming more precise and aiding ...

Time feels familiar. It marks every moment of daily life, from the ticking of a wall clock to the changing numbers on a ...

Today, most people can check the time with a glance at a phone, watch, or computer screen. Precise timekeeping has become so routine that it's easy to forget how difficult it once was to measure the ...

No matter the item on my list of childhood occupational dreams, one constant ran throughout: I saw myself using an old-fashioned punch clock with the longish time cards and everything. I now realize ...

In an era when millions of Americans are chained to computers, handcuffed to BlackBerrys and plugged into iPods, something as simple as knowing the current time should be easy. But here’s the snag: ...