San Antonio's beautiful live oak trees have started their annual airborne assault on our eyes, ears, noses, and throats. The ...

Marshall said visible pollen, such as the kind seen coating cars and surfaces, is not the primary concern. It is the airborne ...

The male pine cones, which dangle at the ends of lower branches, have many pollen sacks that produce and hold pollen. As the ...

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

Oak leaves and pollen scatter the ground in early April (Copyright 2021 by KSAT - All rights reserved.) SAN ANTONIO – It’s that time of year. Just as mountain ...