Have you noticed discoloration on your maple tree leaves this year? You aren't the only one. Here's what you should know ...

In a Swiss pine forest, the treetops are being sprayed with mist in a bid to discover the effect that drier or wetter air has ...

During a particularly hot afternoon in June, my staff and I were walking a shaded trail at Garden in the Woods in Framingham ...

Trees supply leaves with water because of a decrease in hydrostatic or water pressure into upper, leaf-bearing parts called crowns or canopies. This hydrostatic pressure difference "lifts" the ...

All tree leaves exhibit margins—the blade-like edges of the leaves—that are either serrated or smooth. Leaf margins can be finely classified based on at least a dozen unique characteristics.