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.

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

Why do some trees not lose their leaves in winter? And why do leaves sometimes not change color in fall? Get expert answers.

Millions of people every year make it a goal every fall to witness the beautiful changing of leaves. Timing is key, as see peak season is when trees are at their maximum brightness. It’s a challenging ...

Fall temperatures are finally rolling into central Ohio and the region's trees are shedding their leaves. But as you break out your rake or leafblower only to determine that autumnal pile in your yard ...

The forests of Indiana are a glory this time of year. Lumbering catalpa trees growing above Indianapolis homes are starting to fade into gold and the forests of Brown County have fallen into a vibrant ...

Behind every autumn leaf lies a chemical shift-chlorophyll fading, carotenoids glowing, anthocyanins rising-that turns survival into spectacle. Every autumn, landscapes across much of the world ...