Add Yahoo as a preferred source to see more of our stories on Google. Trees produce antibodies against harmful fungi. But bark beetles absorb these antibodies and use them to their own advantage. And ...

Bark beetles can destroy spruce forests by converting the trees' defences into even more toxic substances, scientists ...

As Colorado experiences its signature whiplash weather, arborists are warning that stressed trees are more vulnerable to pests and diseases. Peel back the bark, and you may find a predator in your ...

Q: Can you tell what caused a big patch of bark to fall off the bottom of my oak tree? No marks or tunnels at all; bark looks like it just fell off suddenly. Dan Hunt, email A: My bet would be ...

Adult spruce bark beetles in their galleries in the bark of a Norway spruce tree. The beetle in the middle is infected with the fungus Beauveria bassiana. Spruce bark is rich in phenolic compounds ...

Sugar maples ( Acer saccharum) are large, hardy, deciduous trees renowned for their vibrant yellow, orange, and red fall colors and for their syrup production. Although they are susceptible to some ...

We love the vibrant colors of maple trees in the fall. These deciduous beauties bring not only great color but also a recognizable leaf shape and (our favorite) whirlybird seeds that helicopter their ...

The seasons are changing from fall to winter, and one of the major changes to the environment is that the deciduous trees have lost their leaves. Evergreen trees may still have green needles, but all ...

Especially after the last few COVID-affected years, nobody doubts that emerging infectious diseases can threaten the whole world. But humans are not the only ones at risk! With intensive global trade, ...

A viral social media post shared thousands of times warned of an “exploding tree risk." But experts say the dramatic imagery ...