Legislation in two of the nation's most populous states could force 3D printers to come equipped with technology blocking ...

Since Queensland strengthened its firearm laws in March, one person a fortnight has been charged with possessing a blueprint to make 3D-printed guns.

New laws in California and New York might stop anyone from 3D printing guns — and create entirely new kinds of surveillance.

Add Yahoo as a preferred source to see more of our stories on Google. FILE - A handgun frame that has been printed on a 3D printer is held for a photograph at the Bureau of Alcohol, Tobacco, Firearms, ...