Add Yahoo as a preferred source to see more of our stories on Google. Visitors check out the start of the cherry blossom bloom Sunday at the San Francisco Botanical Garden in Golden Gate Park.

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 ...

Here in Britain's southern counties the most exciting wildlife season of the year has been under way for some time. Only a few hours into the new year I noted the first sign of spring on my ...