The ruling closes a loophole that made guns developed using 3D printers or assembled with homemade partners essentially ...

So-called "ghost guns," do-it-yourself firearms made with a 3D printer or bought online as a kit and assembled, have become popular for their price, convenience, and, with increasing regularity ...

Commentary: Until manufacturers take reasonable steps to prevent their guns from being illegally converted, the guns shouldn't be sold in New York.

Melbourne-based 3D printer Kris Paxton was driving a company-branded vehicle when he was approached by a stranger asking about guns. "There was one night when I was picking up my dinner and a car ...