Getty Images. Art: Jillian Sellers. A family tree is a genealogical chart documenting a person's ancestry. The diagram represents generations of family members and their relationships to one another.

Thanks to a team of scientists, there's a new "tree of life" showing the ancestry of millions of different species dating back to the beginning of the planet. The team, led by Karen Cranston of Duke ...

The "tree doctor" is not only in — he's online. Scott Wade, 52, is a certified arborist who created the website Champion Trees of Pennsylvania to keep documentation of the biggest trees in the state ...