Trees are tall. Humans, relatively speaking, are not. And we're not the most agile climbers in the animal kingdom, either. But we are crafty, and we can out-think even the most wizened redwood. But ...

Scientists have created the first global map of forest height using satellite data. The map will improve estimates of how much carbon is stored in Earth’s trees and how much carbon dioxide they absorb ...

It’s the kind of stumper a chronically curious kid might pester a parent with: Daddy, how tall can a tree grow? Now, in a daredevil field study one researcher describes as “breathtaking,” a team of ...