It’s time to change your clocks: Daylight saving time ends at 2 a.m. local time on Sunday, when clocks across most of the US ...

Most of the country would see dozens more sunrises at or after 8 a.m. if the legislation that passed the House last summer is enacted.

Here's how permanent Daylight Saving Time would impact every state in the United States.

Under current federal law, states can exempt themselves from observing daylight saving time by state law. See which states ...

Americans will gain an extra hour of sleep on Sunday.

As the nation falls back Sunday, a House-passed bill to make daylight saving time permanent faces tough Senate opposition ...

Sleep is impacted, as well as metabolism, mental health and vascular health.

Congress is considering moving America to permanent daylight saving time. Scientists beg to differ.

Whether we should change the clocks isn't as hotly debated, but if asked which way—daylight saving time or standard time—it's ...