For decades, researchers anticipated that climate change would stunt the Amazon’s tallest trees. But a gargantuan new study ...

Here’s what to know about why leaves change color in the fall—and how the process is being impacted by climate change.

"We're not seeing signs of them dying off," one of the study's lead authors told NBC News. "They are increasing in size and ...

When talk turns to the best places to go see the beauty of changing fall colors in the landscape, places like Maine, Colorado ...

It often feels like there are really only two seasonal changes: a long summer followed by a dry spell that runs from late ...