A small but growing number of American firearm enthusiasts are joining RedNote, an app known in China as Xiaohongshu, in an effort to teach native users how to build 3D-printed guns. One such advocate ...

A 3D printing services company has built a fully functioning, semi-automatic pistol and shown that it works just as a traditionally manufactured gun. Built by Solid Concepts, the pistol is a replica ...

A certain weapon is under a national spotlight for its potential involvement in a high-profile murder. A suspect was recently arrested in the shooting death of UnitedHealthCare CEO Brian Thompson.

For decades, America's detectives have made breakthroughs in crime using gun traces. A homicide investigator typically uses ballistics and serial numbers of weapons checked via a vast network of gun ...

Two months after 60 3D-printed gun parts were exchanged for $21,000, prompting changes in New York's gun buyback policies, more than 60 firearms were turned in at a gun buyback event in Rome. The ...