If you have a tree on your property that you need to protect, it’s important to know where the roots are – the roots often extend out beyond the dripline of the canopy. Here’s how to calculate the ...

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 ...

Find a tall stick. That and one good eye are all the tools you’ll need. With the stick in hand, walk exactly 11 paces from the base of the tree and mark the spot by driving the stick into the ground.