The new Doomsday Clock time has been set by the Bulletin of the Atomic Scientists. Here’s what it means.

Will we lose or gain an hour of sleep during the time change? When do clocks spring forward? What to know about daylight ...

Long nights and short days are nearly over. In just a few weeks, many Americans will "spring forward" an hour to enjoy longer days for the warmer months ahead.

Most of the U.S. will move clocks ahead one hour at 2 a.m. on Sunday, March 8, bringing later sunsets but darker mornings at ...

Add Yahoo as a preferred source to see more of our stories on Google. It's time to fall back. Daylight saving time ends this weekend. On Sunday, Nov. 2, at 2 a.m., clocks will "fall back" to standard ...

The "Doomsday Clock" is a metaphor for how close humanity is to self-annihilation.

Sleep experts and a new survey show most Americans support ending seasonal clock changes.  The call is for permanent standard ...