Researchers found a hidden mathematical rule in tree-like art. Branch thickness follows a predictable ratio, making trees recognizable.

If you can't "learn to live with them," Neil Sperry suggests a ground cover that makes mowing around them unnecessary ...

This ancient tree provided the wood for the first ship to reach Laugh Tale, the Oro Jackson, but its significance may go far ...

Finding Your Roots is available to stream on pbs.org and ... Do you know much about your ancestors on your father's side of your family tree? I know that he was born to a family of 12, or 12 ...