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

Add Yahoo as a preferred source to see more of our stories on Google. A new study reveals how waveform distortion keeps your body clock stable despite changes in temperature. (CREDIT: Getty Images) As ...

How old are you really? Counting birthdays may be a common tally, but your “age” isn’t determined by time alone. New research increasingly shows the importance of considering chronological age as ...

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 ...

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 ...

A new study found that women’s biological clocks are actually running faster than men’s — the internal clock that determines when we naturally sleep and wake runs about six minutes faster in women.

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.

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 ...