While you pore over fine lines and dark spots that appear on your skin as you age, there is another indicator of how fast ...

When it comes to fertility, the focus tends to fall on women and their (loudly ticking) biological clocks. Yet it’s not just women who have to take age into account when considering when to have ...

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 ...

Morning-blooming morning glories and flowers that release fragrance at night seem as if they know the time. A KAIST research team has uncovered, at the molecular level, the workings of a "biological ...

Imagine receiving a test result that tells you your body is biologically five years older than your chronological age. You ...

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 ...

Could the next weapon against malaria come from a better understanding of biological clocks? A new study shows that malaria parasites sync their gene activity with the circadian rhythms of their host, ...

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.

In cold-blooded vertebrates, deep-brain photoreceptors allow for photoentrainment, the process by which the eyes facilitate setting of the circadian clock. Mammals do not have these receptors; instead ...