Humans and most other organisms have internal biological clocks that track the daily cycle of sunrise and sunset. These clocks help time our sleep, metabolism and other essential body functions over ...

When does the circadian clock start ticking? A new study shows that fetal clocks synchronize to the mother in the womb via hormones, highlighting the importance of light and sleep during pregnancy.

In a new study published in the Journal of Biological Rhythms, researchers at Washington University in St. Louis reported that a mother helps to set the biological clock for her babies while they are ...

Researchers report on a new way to accurately synchronize clocks. The new method uses both GPS and the Internet to set clocks within 10 nanoseconds of a reference clock located anywhere on Earth.

Market Regulation Services Inc. is calling on brokerage firms to synchronize their watches. The new Universal Market Integrity Rules require that each marketplace and brokerage firm synchronize clocks ...