Perhaps the greatest, mind-bending quirk of our universe is the inherent trouble with timekeeping: Seconds tick by ever so slightly faster atop a mountain than they do in the valleys of Earth. For ...

This week, the White House officially tasked NASA with establishing a time standard for the moon, called Coordinated Lunar Time (LTC) in the Office of the President’s memorandum, which international ...

One of the most popular holidays of all time revolves around a clock — New Year's Eve In the spring, if you live in Arizona and your work is based on the East Coast, your work shift likely starts an ...