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 ...

I saw my first sign of spring the other day — a very groggy groundhog. I bet it was wondering about all the cold, frozen, white stuff. Susan and Carl Simpfenderfer recently stayed at Joint Base Pearl ...

A biologist and nature lover shares his favorite natural indicators, from birds to wildflowers, that signal spring's arrival ...