As sunlight filters through your window each morning, a quiet, powerful rhythm pulses inside your body. This inner clock tells you when to sleep, eat, and wake. It keeps pace with the 24-hour cycle of ...

Add Yahoo as a preferred source to see more of our stories on Google. Syncing your circadian rhythm to a natural light-dark cycle could improve your health and well-being. nambitomo/iStock via Getty ...

Apparently, axolotls are capable of far more than just regenerating lost limbs. In fact, these amphibians appear to be able to stop aging completely, putting a pause on their biological clocks. This ...

Most biochemical reactions accelerate as temperature increases, but our daily circadian rhythms, which are underlain by gene regulatory and biochemical networks, remain constant, even as temperatures ...

Better understanding Alzheimer's disease's effects on the biological clock could also have implications for preventing the disease. Poor sleep quality in adulthood is a risk factor for Alzheimer's, as ...

As anticipation builds for the longer days that follow this weekend's switch to daylight savings time, the moment seemed ...

The news that autism and schizophrenia may be related to paternal age has brought mixed feeling to the legions of women who have long been warned about the dangers of trying to have children too late.

Women in many times and places have felt pressure to bear children. But the idea of the “biological clock” is a particularly malevolent invention aimed to pressure women to have a child. In her ...