A barred owl perches as its familiar “who cooks for you?” call echoes through the woods at the start of breeding season. Credit: Courtesy of Bob Duchesne The night was Feb. 21, 2026. The sky was clear ...

Each February, crowds gather at Gobbler’s Knob in Pennsylvania to watch Punxsutawney Phil predict the weather. In 2026, the famous groundhog saw his shadow, which tradition says means six more weeks ...

Despite lingering winter weather, lengthening days are triggering early signs of spring in nature. Phenology is the science of how natural cycles, like animal breeding and plant growth, respond to ...

The word zeitgeber describes natural phenomena that help us regulate our internal clocks. It refers to things like the daily cycling of night and day, the gradual cooling off of the day's temperatures ...