Learn the species of maple trees most commonly found in the United States, and how to tell them apart.

Tree bark is being tested by researchers at a university as a new way to trace harmful air pollution in local communities. Particulate matter – tiny particles of dust too small for the eye to see – is ...

In recent years, foresters have been able to observe it up close: First, prolonged drought weakens the trees, then bark beetles and other pests attack. While healthy trees keep the invaders away with ...

Most people tend to overlook tree bark as rather uninteresting, at best. It's too bad, because bark is a fascinating and often attractive plant "invention," and is actually rather complex in its ...

Why do trees have bark? Julien, age 6, Melbourne. This is a great question, Julien. We are so familiar with bark on trees, that most of us just take it for granted. But bark is one of the most complex ...

An ecologist investigates pest infestation in forests with mixed and monoculture tree stands. In recent years, foresters have been able to observe it up close: First, prolonged drought weakens the ...