PORT ST. LUCIE, Fla. (CBS12) — Two 18-year-olds armed with a handgun and an AR-15 style rifle allegedly ambushed two juveniles creating social media content outside a RaceTrac in Port St. Lucie.

Justice Kavanaugh wrote a separate statement saying the court “should and presumably will address the AR–15 issue soon, in the next Term or two.” ...

The Supreme Court declined Monday to consider a challenge to Maryland’s ban on AR–15 rifles. Justices Samuel Alito, Neil Gorsuch and Clarence Thomas indicated they would have taken the case ...

The Supreme Court turned away an appeal by a group of gun-rights advocates seeking to overturn Maryland's ban on AR-15 semi-automatic rifles under the Second Amendment.

An alert employee averted a potential crisis when they discovered a 13-year-old boy carrying an AR-15 style semi-automatic weapon in a backpack over Memorial Day weekend.

A man with an AR-15 assault rifle shot at three Monroe County Sheriff’s Office vehicles while deputies were responding to an apartment complex in Marathon on Thursday before taking his own life ...

PUYALLUP, Wash. — A gun owner was robbed at gunpoint last month during an attempted sale of his AR-15 rifle in a grocery store parking lot, the Pierce County Sheriff's Office reported.

The National Rifle Association has called the AR-15 the "most popular rifle in America" and estimates Americans own more than 8 million of them.

Why do so many mass shooters use AR-15s? Partly because so many Americans have them, partly because they're designed to be easy, cheap and effective.

New Jersey’s ban on the AR-15 rifle is unconstitutional, but the state’s cap on magazines over 10 rounds passes constitutional muster, a federal judge said Tuesday.

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