Forestry England says you should measure your ceiling height and subtract at least 12 inches for a Christmas topper. Plus, they say, think about the tree's diameter, as your Christmas centrepiece ...

Get expert tips for choosing the perfect Christmas tree this season, from measuring your space to testing for freshness.

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 ...

Anybody who has bought a lovely Christmas tree, only to find you can’t get it through the door will tell you, it’s important to measure things. But tape measures aren’t always practical and are easily ...

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 ...

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