Morning grogginess may be a thing of the past, thanks to bio-alarm clocks designed to wake sleepers at the perfect time. The clocks detect brainwaves or body movements, and are programmed to wake ...

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.

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 ...

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 ...