NEW YORK -- It's a tough time to be a tree. For this Earth Day, National Geographic has focused its lens on humanity's relationship with the world's 3 trillion trees and 10 billion acres of forest, ...

The Carolina parakeets, ivory bills, and Bachman’s warblers eventually vanished as well. On a cool, clear autumn day with no miasma in sight, National Geographic Explorer Mac Stone, Stahle, and local ...

Climb into the clouds to experience the worlds hidden in the treetops above our heads at 7:30 p.m., Tuesday at the Weis Center, 1 Dent Drive, Lewisburg. Tree canopy ecologist Nalini Nadkarni will ...

Forget highways and hiking trails, the best place to spot New England's emerging fall colors is in a treehouse in Connecticut, according to travel magazine National Geographic. The treehouse on the ...