Colorado has enacted a new law aimed at shutting down one of the most controversial gaps in gun regulation: the 3D printing of potentially functioning firearms and key components. The measure expands ...

For more than a decade, judges, regulators, and gun rights activists have battled over whether 3D-printed firearms are code, ...

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, ...

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

A first-of-its-kind law in New York could force 3D printers sold for homes and business to come equipped with technology blocking them from making guns. The new requirement, also under consideration ...