The decision upholds a regulation issued in 2022 by the Biden administration that was strongly supported by police and prosecutors. It’s a rare win for gun control advocates in the high court.

The Supreme Court will hear oral arguments in its first major case of the term Tuesday with a dispute concerning “ghost guns,” firearms that are typically assembled at home and cannot be traced, as ...

German Lopez spoke to experts in a dozen fields to understand the full scope of America’s gun problems. No other country comes close to matching America’s levels of gun ownership. In fact, the United ...