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 ...

Instructions for making and using a tree measuring stick are available from publication FNR-4: How to Make and Use the Tree Measuring Stick. Those instructions call for blueprint paper, which can be ...

NASA would like you to take a picture of a tree, please. The space agency’s ICESat-2 satellite estimates the height of trees from space, and NASA has created a new tool for citizen scientists that can ...

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 ...

Q: I have an extremely large oak in my yard. The trunk base is about 7 feet in diameter and the height is 80 or 90 feet. Who can I contact for an accurate age of this tree? Also who can I contact ...