New restrictions near Ronald Reagan Washington National Airport have eliminated the risk of another midair collision similar to January’s accident involving a regional jet and a U.S. Army helicopter.

Helicopters will be permanently restricted from flying near Washington, D.C.’s airport on the same route where a passenger jet and an Army helicopter collided in midair, killing 67 people, the Federal ...

The Trump administration’s response to court orders raises questions about the balance of powers and judicial enforcement ...