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 ...

From Sugar Maple to Paperbark Maple, there are more than 100 types of maple trees. These trees and shrubs are different in color and growth. They also give multiple options for landscaping. Here are ...

Earth's forests are concealing about 9,200 species of trees that scientists have not yet discovered, according to a new estimate. More than 100 scientists from all over the world built the largest ...

Scientists who were assessing the structure of different types of wood at the microscopic level have discovered a totally new type of wood. This wood is part of tulip trees, which are relatives of ...

Cities around the world may need to start planting different types of trees and shrubs that can tolerate warmer and drier conditions. By 2050, about three-quarters of the species currently grown in ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Of all the Christmas traditions, there's nothing quite as magical as visiting a Christmas tree farm. On ...