Trees can grow pretty tall, but they do have a theoretical maximum height.

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 ...

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 ...

We are in the middle of a very hot summer. As I was mowing the yard this weekend, I stopped to take a break in the shade of the swamp chestnut oak tree in my front yard. I started thinking about the ...

Celebrate Cherry Trees in Washington D.C. Every year, more than 1.5 million people visit Washington, D.C., for the National Cherry Blossom Festival in mid-March through early April when the trees are ...

(BPT) - The world has long embraced the tradition of the Christmas Tree. Across the globe, twinkling trees adorn homes, shopping malls and national landmarks. But do you know just how old the ...

CLEVELAND (WJW) — What comes to mind when you hear the word “buckeyes”? Maybe those tasty treats of peanut butter fudge dipped in chocolate? But, do you know what nature’s ingredients are in the state ...

Rockefeller Center has announced its selection to grace the plaza this Christmas season-- an 82-foot-tall Norway Spruce from Queensbury, New York. The 14-ton tree is set to arrive in the city later ...