Your circadian rhythm is your body's internal clock, which follows a 24-hour cycle. It plays an important role in dictating your sleep-wake cycle, and it's heavily influenced by cues from the light ...

It’s fall, the less painful one, and since the time on everyone’s smartphone changes itself now, your alarm will feel like it ...

More light in the morning and less at night is key to keeping that rhythm on schedule -- all the instruments in sync. When the clock is regularly disrupted by time changes or other reasons, he said ...

The church’s clock tower, which is now 80 years old, remains one of the few operational mechanical timepieces of its kind in the city.

As daylight saving time ends, one Buffalo church still resets its clock the old-fashioned way. Hear why its caretaker insists on doing it by hand year after year.

Living outside their natural Chinese habitat can disturb giant pandas’ internal rhythms, a finding that could lead to better ...