Van Wagner, a high school teacher and forester, completed his final climb of 67 trees on 67 peaks in all 67 Pennsylvania ...

NASA laser data reveals how climate change is reducing tropical forest canopy height, with dry seasons driving major changes.

By Ian DeBlieu, The Maine Monitor From the summit of Katahdin, the view is of forests stretching in all directions, broken ...

The findings suggest a need to pair individual-level interventions with systemic ones to mitigate disparities in JIA outcomes ...

Take a flight of discovery high above the vast wetlands of Everglades National Park, USA, with stunning drone footage ...

See how filmmakers captured the death-defying mountain descent of spectacled bears on The Making of The Americas.