The daily rhythms that govern life on Earth—from the sleep-wake cycles of humans to the emergence of insects from their pupal cases—are orchestrated by an internal molecular timekeeper known as the ...

Researchers have discovered the long-mysterious role one light-sensitive receptor protein plays moderating day-night cycles in fruit flies, potentially giving insight into how humans’ own circadian ...

Last year, University of Texas at Austin alumnus Michael Young won the Nobel Prize in Physiology or Medicine for discovering the molecular mechanism behind circadian rhythms. Circadian clocks are ...

As millions of Americans adjust their clocks for daylight saving time this week, many experience disruptions in their sleep and daily routines – a reminder of the importance of circadian rhythms that ...