More affordable than ever, 3D printers are booming for personal, professional, and educational use. Here's everything to know before you buy one, along with the top models from our hands-on testing.

"Murdaugh: Death in the Family" premieres on Hulu on Oct. 15. "Murdaugh: Death in the Family" premieres on Hulu on Oct. 15. Kate joined William to mark the third anniversary of Queen Elizabeth's death ...