From book trees to diva trees, spicing up your Christmas tree is all the rage. — -- Forget Christmas tree lights, garlands and ordinary ornaments. This year, those in the holiday spirit are ...

The bark of a tree is its own protection against the weather. While we shrug on a coat when it’s wet or cold, a tree will grow its own to insulate itself, keeping moisture out when it’s raining and in ...

African umbrella acacia trees grow more during droughts, contrasting with the conservative splendid thorn acacia, a study in The Plant Journal shows.

Think the holidays are all tinsel, cocoa, and perfectly wrapped presents? Think again. Around the world, festive celebrations can get wildly creative, silly, and downright surprising—sometimes in ways ...

Joshua trees are weird. I say this as an expert on Joshua trees. Joshua trees look weird — their twisty branches end in bouquets of stiff, knife-like leaves, which die back to hang from the branches ...