And why are people so amorous when they find themselves beneath it? Mistletoe, a parasitic plant, is actually accustomed to the suspension: In nature, it grows only on other trees’ branches.

I know birds spread mistletoe by excreting the seeds, but why do I see trees with no mistletoe next to trees that have been so thoroughly invaded by this parasitic plant that they almost look like ...

From the origins of Christmas carols to romantic mistletoe kisses, here are the histories and meanings of five words associated with the most widely celebrated holiday in the world. Usage of the ...