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

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. NASA scientists will use lasers from space to help measure the ...

If you’re gearing up to transform your home into a Christmassy wonderland, here’s how to make sure you get the perfect tree. The season of joy is here, and we all need as much holiday magic as the ...

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 ...

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