Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Trees are believed ...

LITTLE ROCK — The roots of the two ancient walnut trees now hang exposed like skeletal fingers reaching desperately for the life-giving water just 10 feet below in the Middle Fork of the Saline River.

Walnut trees are very special additions to the yard, offering spring yellow-green catkins and delicious walnuts in fall. While they can seem intimidating to grow, a little perseverance can make your ...

Hello Mid-Ohio Valley farmers and gardeners! A chance of frost is in the forecast as the growing season winds its way down. Many gardeners perform a fall cleanup and plant a cover crop such as winter ...

Q: I'm trying to identify the tree in the photo. I've been told that the nuts are not edible. Can you help? - Scott Bundy. A: The tree in the photo is black walnut, Juglans nigra, and it's a ...