Our biological clock, or circadian rhythm, is immensely important to our health, and scientists are now unpacking the process ...

This story was originally published on Medical Xpress. Theoretical physics uncovers how our biological clock maintains a consistent 24-hour cycle, even as temperatures change. Credit: RIKEN ...

The Navy was the first branch of the U.S. military to embrace the 24-hour clock in 1920. It may be hard to believe, but the U.S. Army didn't start using military time until 0400 on July 1, 1942.

In a breakthrough blending biology and engineering, scientists have built synthetic cells that mimic nature’s internal ...