morgan23 / Getty Images A fully grown tree may lose several hundred gallons of water through its leaves on a hot, dry day. The same tree will lose nearly no water on wet, cold, winter days, so ...

Not every nest in trees is a bird nest! Here's what a squirrel nest looks like and how to deter squirrels from nesting in ...

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.

In heavily affected areas, up to 30% of beech trees are killed within seven years of contracting beech leaf disease.

This month green is going to get its due because it’s the subject for the July edition of the Readers Photo Challenge.

Perhaps the most famous industrial fire in American history, which led to demands for labor reform and regulations, began in a shirt factory in New York's Greenwich Village in 1911. The fire quickly ...