Spring and tree pollens peak at different times as the year progresses. But they are both spreading northward across the U.S. as May begins. Tree pollen is about to get worse in cities like New York, ...

Michigan is experiencing a high pollen count on Wednesday, May 6, as pollen creates a sneezy, itchy day for residents with seasonal allergies — and it likely won't get better soon. Allergies to tree, ...

Can trees explode in frigid weather? As Minnesota is home to thousands of firs and oaks, the concept of an exploding tree is troubling. What does it mean? A viral social media post shared thousands of ...