The official start of fall is just around the corner, and it comes with shorter days and longer nights. On Sunday, Nov. 3, we will once again say goodbye to daylight saving time and welcome the return ...

University of Washington research reveals how blue and orange LED light resets circadian rhythms and boosts melatonin ...

At that time, roughly everywhere on Earth will get approximately 12 hours of day and night, Jeanes said. But that won't be reflected in sunset and sunrise times until Wednesday. "7:43 a.m. Sunday is ...

Fall will officially begin on Sunday, marking the autumnal equinox. Daylight saving time will end in just two months, throwing us back into those cold, short and dreary days where the sun sets before ...

The autumnal equinox heralds the arrival of fall in the northern hemisphere, and it's just around the corner. Here's what to know.