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 ...

This program originally broadcast on September 14, 2016. The secret life of trees. They talk to each other, says forester Peter Wohlleben. They have families. We’ll sit down with the tree whisperer.

If you’re looking for a fuller tree this holiday season, the answer might be hiding in plain sight in your garden — or even at your local Trader Joe’s or garden center. You heard it here first: Cut ...

Trees in mind: simple questions with complicated answers -- Keeping track -- How trees became -- Wood -- Trees without flowers: the conifers -- Trees with flowers: magnolias and other primitives -- ...

High in the arid mountain forests of eastern California there is a living tree that's older than the pyramids of Giza and the ancient city-state of Babylon — but its location is a secret. The ...