The ion trap of the new In+/Yb+-crystal clock in its vacuum chamber. The Ions are trapped in the gap that can be seen in the middle of the picture between the gold electrodes (target). A shown-up ...

Winter is winding down as the sun sets later each day, but nothing says spring like the day we spring the clocks forward. Under the current daylight saving period, most Americans will lose an hour ...

This is where waking up with a so-called sunrise alarm clock — which mimics sunrise through the gradual brightening of a light — can help your body wake up more naturally, experts say.

This twice-a-year ritual of adjusting clocks forward in spring and back in autumn has been ingrained in American, Canadian and Cuban life for more than a century. However, U.S. President Donald ...

The Doomsday Clock is a design that warns the public about how close we are to destroying our world with dangerous technologies of our own making. It is a metaphor, a reminder of the perils we must ...