Hartwick Pines State Park is home to the largest remaining stand of old growth pine trees in the Lower Peninsula.

One of North America’s richest ecosystems, sustained and shaped by Native peoples before European contact, nearly disappeared ...

SUKHBAATAR, Mongolia — In the midst of barren sandy land scattered with dry shortgrass, a vast Scotch pine tree forest swallows the viewer into greenery. A total of 11 million trees span 3,250 ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. High in the Gallatin Range south of Bozeman, a young whitebark pine tree, just over 3 feet tall, ...

Conservationists are working to restore the Caledonian pine forest to boost the country's bio-diversity.

Hugh Safford is calling out into the woods for a tree. That’s normal enough for a forest ecologist, but the tree he’s searching for — the Jeffrey pine — was not, until recently, expected to live ...