Ancient DNA is telling us more and more about humans and environments long past. Could it also help rescue the future?

Atomic clocks are more accurate than those used to define the second, suggesting the definition might need to change ...

No matter how hard we try, we can't remember tomorrow. And physicists have no idea why. In hope of discovering the source of ...

As in-season crowds take over popular destinations, and overtourism abounds, more travelers are looking for slower-paced, ...

Are you ready for more sunlight in your day? Daylight saving time is on track to start this spring, adding hours of daylight to our usable time in most U.S. states. Supporters say the change cuts ...

Are you ready for more sunlight in your day? Daylight saving time is on track to start this spring, adding hours of daylight to our usable time in most U.S. states. Supporters say the change cuts ...

Abstract: High-performance atomic clocks provide the foundation for precise time measurement. Common high-performance atomic clocks in time-keeping laboratories include hydrogen masers and cesium ...

EMERY COUNTY, Utah (KSTU) — A destructive trend that has become a common occurrence in Utah has once again turned up after ancient petroglyphs were found vandalized in Emery County. Graffiti was ...

As convenient as it might be to use your phone as an alarm clock, standalone alarm clocks come with all kinds of features that can make waking up — or even going to sleep — a little less painful.

For the best photos and views, arrive shortly before sunset ... which lacks ramps and has gravel pathways, so allow extra time when using a wheelchair. While there are many more acropoleis ...