A boom in vegetation at the end of the last ice age may have created so much pollen, it blocked mammoths' sense of smell. A ...

Tree pollen — that springtime scourge that coats cars in yellow dust and sends allergy sufferers running to the pharmacy — typically abates by late May in upstate New York. But this spring’s ...

RIVERTON, Utah — As some Utahns experience seemingly never-ending allergy symptoms, a local hospital is trying to get a better gauge of what's floating around by collecting pollen.