The end of summer often means preparing for kids to go back to school, thoughts of cooler days and nights ahead, and the start of weed pollen season! Three primary pollens (tree, grass, and weed) ...

Add Yahoo as a preferred source to see more of our stories on Google. Spring can be a struggle for many people. It is estimated that over a quarter of adults in the US have seasonal allergies, which ...

How many different types of pollen are out there? There are a myriad of pollen types out there but only a fraction present a problem. Trees with showy flowers, like those that bear fruit, are ...

Imagine trying to tell identical twins apart just by looking at their fingerprints. That's how challenging it can be for scientists to distinguish the tiny powdery pollen grains produced by fir, ...

COLORADO — It's allergy season here in Colorado, and this year seems to bring even higher levels of pollen. March was very dry and gave us warmer than average temperatures. This has allowed for trees ...

Amid all the fantastic aspects of spring, tree pollen is the microscopic bully that often makes life miserable for allergy sufferers. This year, abnormally warm weather has boosted average tree pollen ...

WASHINGTON — If you suffer from allergies, get ready. Tree pollen levels are likely to spike to high this week, thanks to a stretch of warmer than average weather. This week's weather in the D.C.