A new study shows that the shape of urban trees affects how pollen travels through the air, which could help cities reduce allergy exposure.

Due to climate change, plants' pollination season has been growing longer and longer. As a result, people are exposed to allergens for extended periods each year, raising a major public health concern ...

In Physics of Fluids, researchers develop a computational model of outdoor airflow through trees to study how a tree’s ...

Just as mountain cedar season came to an end, another pesky pollen is making an appearance in the pollen count for the first time this season — oak.

Dr. Mark Kalenian expects the tree pollen season to run through May.

HOUSTON, Texas (KTRK) -- Spring break is here, and so is allergy season. Over the weekend, Oak pollen counts increased tenfold, from a count of 59 on Friday, March 7, to over 400 on Monday, March 10.

ATLANTA — Allergy season can be miserable for tens of millions of Americans when trees, grass, and other pollens cause runny noses, itchy eyes, coughing and sneezing. Where you live, what you’re ...

A dramatic pollen “bomb” was captured on video in Franklin, Tennessee. The sudden burst of tree pollen created a large ...

The male pine cones, which dangle at the ends of lower branches, have many pollen sacks that produce and hold pollen. As the male cones mature, they nurture the pollen grains. Then, on sunny, windy ...

Warm, springtime weather means it's allergy season in Louisiana. Tree pollen is already here, but when is peak season? Here's ...