The human body is home to a long list of complex processes, many of which are controlled by four key biological rhythms. Here’s what you need to know. As autumn settles in and the nights grow ...

But in April Ulfhake’s team reported finding a hidden biological rhythm in lab mice that oscillates over months rather than hours, and seems to make mice far more active than usual.

Morning brings the brightest moods, while midnight is when people feel their worst, according to a large study. Mental health ...

Your circadian rhythm is one of four biological rhythms in the body. It helps control your daily schedule for sleep and wakefulness. Most living things have one. Your circadian rhythm affects ...

The O’Neill group investigates fundamental functions and mechanisms of biological rhythms in mammals and other eukaryotes. Masao Doi received his BSc in 1998 and Ph.D. in 2003 from the Tokyo ...

Researchers have identified a second dopamine-driven "clock" in the brain that works alongside the biological 24-hour cycle, ...

New research suggests that mood swings in bipolar disorder are regulated by two clocks: the body’s 24-hour circadian rhythm ...