Substitutes for real Christmas trees have been around longer than you might think: no sooner had hauling a conifer into the house become commonplace than people started looking for ways to ...

This spring, 20,000 trees–enough to cover some 400 acres–are being planted in Chicago at a total cost of nearly $10 million. Throughout the city–on parkways and in parks, along historic ...

Design a modern two-dimensional tree using string lights or garland arranged in a triangle on your wall. Add lightweight ornaments and a star-shaped crown for a contemporary take on tradition.

The tree of life is about to go hyper-dimensional. The two-dimensional tree of life that Charles Darwin first conceived over 150 years ago in his book "On the Origin of Species" should probably ...

The correct term for a two-dimensional tree of course is “espalier.” This is a French term based on an Italian word, “spalliera,” which comes from another word meaning “shoulder.” ...