Is there any truth to the claim that pine needle mulch makes soil more acidic, or is it a myth? We looked at the science of ...

As temperatures rise, local officials warn residents about the Western Pine Bark Beetle, a native insect that affects ...

The Eastern white pine (Pinus strobus) is identified best by its reddish-brown bark and deep furrows, which it acquires as the tree ages. It typically grows to be between 50 and 80 feet tall.

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 ...

Depending on the efficiency of the plant or tree species, it may take as little as 200 pounds (24 gallons) of water to 1,000 pounds (120 gallons) to make a pound of dry matter.

In the sweltering heat that descended in recent weeks, I am especially aware of the cooling effect of urban trees. In the ...