Decorated by the Skunk Train and towering over 200 feet, the living tree in Fort Bragg and Willits tops a new global ranking. It's beginning to look a lot like Christmas tree season, but some firs are ...

Add Yahoo as a preferred source to see more of our stories on Google. One of Inyo National Forest's many bristlecone pine trees, photographed in 2007 (AFP/Getty) High in the arid mountain forests of ...

These skyscraping superstars are the stalwart examples of their species Trees have many interesting features and uses, but it's perhaps their height that inspires the most reverie. Humans may have a ...

A visit to Karura Forest in Nairobi reveals lessons in faith, resilience and community inspired by Wangari Maathai’s legacy.

From bark patterns to pit-and-mound topography, these 10 clues help hikers identify old-growth forests on their next ...