Last month's tragedy in Newtown, Conn., stirs debate about smart technologies that restrict the circumstances in which guns can be fired.

Biofire is beginning to ship its biometric “smart gun,” which uses fingerprint and facial recognition technology. Now the $1,499 handgun faces a test: Will it work?

WASHINGTON — One of California’s largest firearm stores recently added a peculiar new gun to its shelves. It requires an accessory: a black waterproof watch.

The first appearance of these new-tech firearms last year in the United States fired a loud shot across the bow in the controversial debate about gun violence, an issue bound to come up during the ...

Part of the gun that the police believe was used to kill the C.E.O. of UnitedHealthcare was made by a 3D printer using a popular design found online.

For more than a year, the Cincinnati Police Department has been operating its crime gun intelligence center. The operation uses technology to target violent gun offenders in the city. Here's what ...