The ginkgo tree, known scientifically as Ginkgo biloba, is one of the oldest living tree species on Earth — dating back more ...

PENNSYLVANIA, USA — Ever wonder what happens to oxygen levels when leaves fall off the trees? Joe lets us know how we are still able to breathe. Find out the answer in this edition of Wham Cam.

Here comes the free mulch! And compost, and fertilizer, and insulation — all swirling down from the trees in the form of colorful leaves. “The leaves that fall in autumn are a gift,” said Spencer ...