The oldest tree species is the Great Basin bristlecone pine (Pinus longaeva). The oldest tree of the species is named Methuselah and is more than 4,800 years old. The longevity of the Great Basin ...

The University of Colorado Boulder has acquired a rare Wollemi pine tree, a tree species that lived alongside dinosaurs and ...

We’ve had a number of mysterious pine tree species in this column, and here is another. There’s always a new pine species to learn about: after all, there are about 100 species worldwide. This one is ...

Know all of the different options before you head out to the tree farm. In the meantime, you may want to learn about the different types of trees that are available—varieties like Douglas fir, blue ...

Indiana has three species of native pine trees that have very restricted locations in our state. They are the eastern white pine, jack pine and Virginia pine that is also sometimes know as scrub pine.

"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 ...

A critical species to the ecosystem is facing a variety of threats. This Earth Day, ABC News is taking a look at solutions for issues related to climate change and the environment with the series, ...