Circadian clocks control physiological processes and behavior in virtually all living organisms. Now an international research team has created a detailed map of the internal clock in the brain of the ...

Every cell in the human body operates on an intricate internal schedule, governed by circadian rhythms that synchronize our biological processes with the 24-hour cycle of day and night. Coordinated by ...

Physicists have demonstrated a novel atomic clock design that combines near-continuous operation with strong signals and high stability, features not previously found together in a single type of next ...

Organisms rely on a biological clock known as the ‘circadian’ clock to regulate their activity according to the time of day. A central clock, constituted by a group of brain cells — the ...

This story is part of a series on how we make time—from productivity hacks and long walks to altering the function of our own circadian clocks. Before there was electricity or the internet or screens ...