MARTINSBURG, W.Va. – In the basement research lab of the agency that regulates America's firearms, two dozen 3D printers hummed, stringing thermoplastic filament into computer-designed patterns that ...

Homemade weapons have been around for centuries, but the appearance of 3D-printed firearms a decade ago revolutionized how guns are acquired and distributed on a global scale. My colleague and I ...

SCRANTON, Pa. — The low hum of machines and the slow, patient process of creation. That's what greets Drs. Mojib Saei and Geng Liu each day inside the University of Scranton's 3D printing lab in its ...

NASA engineer turned YouTuber Mark Rober has teamed up with scientists from California’s Salk Institute and Brigham Young University to create the smallest ‘Nerf Gun’ models in history, one of which ...