When you admire a towering oak or a vibrant maple in your backyard, you're only seeing half the picture. Beneath the surface lies a sprawling, intricate world that is arguably more fascinating than ...

Add Yahoo as a preferred source to see more of our stories on Google. The holidays are officially here, which means many will be propping a real or fake Christmas tree up in the home. That is, if they ...

Trees come in at least 60,000 varieties. The tallest known tree on Earth is a coast redwood (Sequoia sempervirens) that towers 379.1 feet above the forest floor in Northern California. Over their some ...

Palo Alto loves trees — it has about 66,000 of them, about one per resident. Our city is responsible for the upkeep of about 46,000 trees in parks and public areas; almost 38,000 of them are street ...

HAMLIN TOWNSHIP, MI – Sugar maple. Red maple. Silver maple. What’s the difference? Those three maple species are part of the “tree identification pathway” at Ludington State Park, near Ludington. This ...

CRESTED BUTTE, Colo. — Aspen trees are the celebrities of a Colorado fall day. Think about it. People line the roads to take pictures with them. Instagram feeds from all over the state feature ...

The Smithsonian Forest Global Earth Observatory (ForestGEO) is a global network of scientists and forest research sites dedicated to advancing long-term study of the world's forests. Image credit: ...