When something dies, a telltale radioactive signal ticks like a natural clock. Discovering it helped us solve all sorts of ...

Every cell in the human body operates on an intricate internal schedule, governed by circadian rhythms that synchronize our ...

What we like: Our top-pick memory-foam mattress topper is a good option for back and stomach sleepers. Offers medium-firm ...

The end of daylight saving time is to happen Nov. 2 this year. Daylight saving time in the United States occurs every year, beginning on the second Sunday in March and ending on the first Sunday in ...

The world’s best clocks may be sensitive to an odd mix of quantum and relativistic effects that would stretch time and test the boundaries of physics ...

Unlock your Kindle’s full potential with everything from custom fonts and themes to vocab tools, and navigation tips.

Behind the scenes, this has been a summer like no other for Miami Heat general manager Andy Elisburg. Still not fully back on his feet after a grave illness, there nonetheless is gratitude.

I know life gets busy, but I can’t help feeling that children should make time for their parents, especially as they get ...

The first government shutdown in nearly seven years began at midnight after lawmakers failed to reach a deal on extending ...

In a sobering interview, the respected infectious disease expert expresses concern over our willful deconstruction of parts ...

The 74 reports that reading for pleasure among kids has significantly declined, driven by distractions like smartphones and ...