The terms "assault weapon" and "assault rifle" are used a lot, but when it comes to the two separate types of weapons, there is a great deal of difference.

Executives of companies that manufacture assault rifles used in some of the deadliest mass shootings in America testified before Congress that they bore no blame for the surging gun violence in ...

The future is uncertain for the AR-15, a tactical rifle known variously as an assault weapon, a black rifle or a modern sporting rifle. While not everyone agrees on the name, everyone seems to ...

5 Investigates obtained new photos that haven't been seen publicly of the vault where weapons were stolen from a Worcester armory over the weekend.

Authorities caught James Morales with four of the missing assault rifles and two of the handguns. Five guns remain missing.

The rifle that was found in Ryan Wesley Routh’s alleged sniper’s nest just outside Trump International Golf Club West Palm Beach on Sept. 15.

Former President Donald Trump was shot Saturday with what has become the weapon of choice for mass shooters, an AR-15-style firearm.

SCHENECTADY, N.Y. — The former armory in Schenectady briefly transformed into an arsenal as 367 firearms were turned in during a "gun buyback" event at Armory Studios Saturday.

Trump Paid a Visit to Maker of Assault Rifle That Killed 3 People in Racist Shooting The GOP frontrunner went to Palmetto State Armory—the same company that sold a gun to the white shooter who ...

5 Investigates obtained new photos of the vault where a burglar or burglars were able to steal several weapons from a Worcester armory over the weekend.

The morning after the break-in, he was at the Boston home of a convicted marijuana dealer and gave the man one of the M4 assault rifles and five handguns to sell. Cellphone photos from the ...