From Estonia to Antarctica, this once-pagan symbol has taken on many strange forms. In December 1848, an illustration showed Queen Victoria, Prince Albert, and their children admiring a Christmas tree ...

Christmas trees are the centerpiece of a holiday celebration. Every year, between 25 and 30 million Christmas trees are sold in the United States, according to the National Christmas Tree Association.

Martina Egedusevic receives funding from the Scottish Forestry Trust. Daniel Green works for Heriot-Watt University as an Assistant Professor in Nature-based Solutions. He is also a Research Associate ...

Your favorite football team was named after Ohio’s state tree, known as the Ohio buckeye tree. Now that fall has arrived, the husks have started falling from trees to reveal a brown one-eyed nut, ...

All species on Earth, both living and extinct, are related. We know this because of a biological tool called the tree of life. This "tree" takes the form of a diagram that maps the relationships ...

Ten months ago, a ranger on the Hadrian’s Wall Path discovered a shocking crime: The widely loved Sycamore Gap tree had been chopped down. Fans mourned the loss of a beautiful landmark; arborists ...

Tea tree oil may have benefits for topical use. It may target certain bacteria and support skin health when used as directed. Tea tree oil is an essential oil with several uses, including keeping skin ...

Scientists have solved the mystery of the origins of ancient baobab trees. According to DNA studies, the iconic trees first arose in Madagascar 21 million years ago. Their seeds were later carried on ...

When a neighbor’s tree hangs over your property it can be a nuisance—and even cause damage. But tread carefully before you trim it. Sometimes it seems like living in a society would be much better if ...

As we hang far above the ground on a sunny October day, it would be easy to focus on the blue crests of hills and the small towns tucked in between. But Richard Peters, who’s with me inside a metal ...