California law enforcement agencies seize about 11,000 ghost guns every year. The state now is suing websites that help people manufacture untraceable firearms.

Sgt. Henry David Volpe designed the Marine Corps’ first National Defense Authorizing Act-compliant 3D-printed drone.

Military drone technology is advancing quickly, and the U.S has a new 3D-printed drone that was designed and built by a team ...

Charles R. Goulding and Preeti Sulibhavi highlight how the University of Maryland’s extensive HVAC 3D printing program is ...