The South Willamette Valley is experiencing very high pollen counts with the sunny windy weather Sunday and today.

As spring blooms in May, weed pollen peaks—triggering allergies for millions. Explore the science behind this reaction and ...

Most pollen that causes allergy problems is so small that it is invisible to the human eye. Learn all about pollen, the ...

It can tell us about vegetation, climate and even human activity through time. Pollen grains are far more than allergens — ...

If pollen allergies are getting to you, you are not alone. Every year, plants release billions of pollen grains into the air, ...

You might experience a variety of allergy symptoms this summer, from a sore throat, congestion and water eyes. Here's what to ...

Allergy-inducing plants are those that rely on wind rather than bees or butterflies to spread their pollen. Ragweed, which ...

Fossilized pollen helped track a region’s vegetation back in time, while modern pollen carried traces of the present climate ...