A Christmas Tree-shaped star cluster inside NGC 2264 reveals active star formation 2,700 light-years from Earth.

UNLV and community partners say they will start recycling Christmas trees for mulch. Organizers say there will be more than ...

With a tree in every room and lights on every eave, holiday decorating was something I’d dread until I let my smart home do ...

Fake trees have been around for longer than you might think—but how do they compare to real trees when it comes to sustainability and your health? In some countries, artificial Christmas trees are ...