An eastern cottonwood in north-central Nebraska is now a National Champion Tree, the Nebraska Forest Service said Monday. It is the largest of its kind in the U.S., with a height of 85 feet and a ...

Learn how to identify a male and female tree swallow. Find out about their nests, song, range map and what tree swallows eat.

The Lone Cypress at Pebble Beach on the California coast is one of the world's most photographed trees, and a multi-billion ...