That sticky residue appearing on trees on your Nevada property is most likely honeydew — a substance excreted by insects ...

In a new study published in Functional Ecology, researchers focused on why spruce trees produce such a complex mixture of defense substances in their sticky resin.

If you parked your car where tree sap unfortunately got on it, it's important to get it off as soon as possible. Here a few ways to remove it.

The Oregon Department of Forestry is assessing damage done by the spruce aphid along the Oregon Coast after an outbreak in Yachats earlier in 2025.

The Oregon Department of Forestry is assessing damage done by the spruce aphid along the Oregon Coast after an outbreak in Yachats earlier in 2025.

“This year I have noticed that the oak trees in my yard (have a lot) are dripping an especially excessive amount of honeydew/sap.

Spruce trees that experienced long-term droughts were more resistant to future ones, while pines acclimatized to wet periods were more vulnerable.

Scientists monitored spruce trees to assess their bioelectrical responses to a solar eclipse and discovered trees anticipated the eclipse, synchronizing their bioelectrical behavior hours in advance.

An international study has revealed spruce trees not only respond to a solar eclipse but actively anticipate it by synchronizing their bioelectrical signals hours in advance into a cohesive ...

We definitely have peach tree borers in our nectarine tree. The trunk is pretty much encircled by the sap oozing just above the ground level. What insecticide should I apply to the trunk and ...

A young sugar maple tree as seen in the forest in late March. Note the bark being stripped by gray squirrels to get to the sap beneath.

Watch the meticulous process of felling a spruce tree with the help of a 15-ton hydraulic jack. This technique ensures controlled and safe tree removal, utilizing the power of the hydraulic jack ...