Aiden Hernandez, a 19-year-old soon-to-be-father and former high school football star, has died after he was struck by a tree branch in a work incident, deputies in Colorado said.

Credit: NASA. Some 14,300 years ago, a long-dead tree standing in what is now the French Alps recorded a message from the Sun. This information was etched in its very atoms. That day, high-energy ...

The mutation associated with human tree disease also makes people susceptible to human papillomaviruses (HPV). There are over 100 strains of HPV. Some can cause mild symptoms such as warts.

Dominion Energy has agreed to halt its controversial tree-cutting plans along the Washington & Old Dominion (W&OD) Trail in Reston following concerns from residents and a Fairfax County resolution.

Xcel Energy says it will be increasing the clearance between trees and power lines from 6 feet to 10 feet – a decision that has some concerned over losing their trees.

Now, in last Saturday's storm, the tree finally fell, taking out the lines and her power along with it. On top of that, she says Duke Energy has since told her that she'll have to pay thousands of ...

That’s equal to 620 football fields of leafy cover. If the federal funds for tree planting disappear, Shandas said, Portland’s canopy will further winnow.

This week, meet a big-brained ancient human relative, hear a meteorite as it lands on Earth, spot a tiny kangaroo-like marsupial, and more.

This week, meet a big-brained ancient human relative, hear a meteorite as it lands on Earth, spot a tiny kangaroo-like marsupial, and more.

This week, meet a big-brained ancient human relative, hear a meteorite as it lands on Earth, spot a tiny kangaroo-like marsupial, and more.