Every year, the Christmas tree debate returns: Is it better to cut down a natural tree for a short-lived holiday display, or use an artificial one made from non-recyclable plastic? The answer is not ...

Recycled Christmas trees are particularly important during dry seasons, like this winter, when water levels are low.

Add Yahoo as a preferred source to see more of our stories on Google. Colossal Biosciences Colossal Biosciences and its woolly mouse are bringing holiday magic to the lab this year, blending festive ...

CHARLOTTE, N.C. — Lots of folks will be curling up on the couch to watch Christmas movies this week, but what makes us enjoy them so much? Well, it turns out our love for Christmas movies is actually ...

Kendra Pierre-Louis: For Scientific American’s Science Quickly, I’m Kendra Pierre-Louis, in for Rachel Feltman. The Christmas tree feels like a tradition from time immemorial—and in some ways it is.