A non-profit organization has created 30 clones of a windswept white pine tree in Killbear Provincial Park that has attracted ...

Q. The white pine in my backyard has grown so tall that its leader is only about 2 feet from the overhead lines at the back of my property. I have seen people cut the top out of tall trees.

Hidden high in the White Mountains of eastern California, a gnarled, weathered tree quietly holds a staggering secret — it's ...

A mountain pine beetle infestation proves fatal for most lodgepole pines; the few that survive share distinct DNA markers. In this photo, a beetle crawls out of a ponderosa pine in Colorado.

“More work has been done to preserve sugar pine and find resistant trees, because it’s a commercial species (used for lumber),” Mircheva said. “But the higher elevation species—so whitebark, limber, ...

So I asked a MRCA Ranger. His answer: “bark beetles.” Those must be some feisty beetles to take down tree after tree. It turns out that the beetles are the end of the story, not the beginning.