How easy has it become for someone to build a deadly, and untraceable weapon? With nothing more than a 3D printer and parts ...

In the wake of Luigi Mangione’s alleged killing of a health care CEO with a partially 3D-printed pistol, we built the exact same weapon ourselves—and test-fired it.

In a groundbreaking fusion of technology and aerospace engineering, 3D-printed rockets are changing the game. This video dives into why 3D printing is revolutionizing rocket design and production - ...

From left, U.S. Army Spc. Antonio Lewis and Staff Sgt. Erik Buentello, both assigned to Joint Task Force-Southern Border, assemble a drone using 3D printing equipment at Fort Bliss. The ...