Trees, especially pine trees, are in for challenging times. Although pine trees are relatively drought tolerant, ongoing drought, as we’ve experienced in Marin County for several years, has caused ...

On a July day, Danielle O’Dell walked through a pitch pine forest on Nantucket and saw the telltale signs. There were clusters of dead trees. Some had reddening and browning needles. Hints of internal ...

The ponderosa pine, with its deep taproot, normally should be able to sustain itself against this year's drought, scientists say. And by pushing burrowing bark beetles out with its sap, the majestic ...

Here in New England, the pine bark beetle also seems to be causing more tree deaths than previously, and ecologists have ...

Unless you are intent on making your own maple syrup, you probably haven't given tree sap much thought. So, let's take a deeper dive into a tree's 'blood' or sap and the normal flow in the fall for ...

Many of the once-green pine trees along roadways in Suffolk County have turned yellow and orange, evidence that they are dying. They're victims of the southern pine beetle, an invasive insect no ...

Thousands of acres of trees have been killed by the southern pine beetle in the 10 years since they arrived in Suffolk County, foresters say, heightening the risk of wildfires by generating heavy fuel ...