The squiggly trunks and branches of Black Locust stand out in the winter landscape. Photos by Katie Finch Leaves are probably the most common feature used to identify trees. But in winter, when so ...

Oak trees have been around for more than 50 million years, with individual trees easily living 1,000 years. One of the oldest oak trees in the U.S. is believed to be at least 2,624 years old. The ...

Wherever trees grow, sooner or later their leaves get wet. For trees in wet environments, this can be a problem if films of water cover their stomata. These tiny pores allow carbon dioxide to enter ...

A study found that redwood trees have two different leaves that serve different functions. The peripheral leaf, left, focuses on photosynthesis while the axial leaf is devoted to absorbing water.

In this edition of ID That Tree, Purdue Extension forester Lenny Farlee takes us through the different characteristics of coniferous trees found here in Indiana, particularly their foliage and the ...

DALLAS — The winter freeze this February was a tough test for trees across North Texas, and we're still seeing the impact months later. If your trees appear to be dying now, there's a good chance it ...

As you approach spring landscaping chores, you might be considering adding a dogwood tree to your yard. But, when do dogwoods bloom? They typically flower between early spring and early summer, ...

In a large-scale study with almost 400 partners, researchers worldwide have collected data on tree species, to which scientists from Bayreuth have contributed their knowledge about the Kilimanjaro ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Redwood trees have two types of leaves, one to make food and the other to absorb water, found a new study. It's the first study to estimate whole-crown water absorption in a large, mature tree. The ...