Recovery crews and divers are searching the Potomac River for remains and clearing wreckage from the midair collision of a passenger jet and Army helicopter that killed 67 people.

Investigators are seeking clues into this week's deadly midair collision, the deadliest aviation disaster in the U.S. almost a quarter century.

A deadly midair collision between an American Airlines jet and an Army helicopter near the nation's capital is bringing renewed focus on the federal agency charged with investigating aviation disasters.

A passenger jet hit an Army helicopter with three soldiers as the plane got ready to land at Reagan National near Washington, D.

Investigators with the National Transportation Safety Board are collecting evidence at the scene of a commercial bus crash in Mississippi that killed seven people and injured dozens of others.