As is practice with major Las Vegas events, the Department of Energy and National Nuclear Security Administration will begin helicopter radiological surveys Tuesday and Wednesday in advance of the Las ...

(CNN) — A sightseeing helicopter plunged into the Hudson River on Thursday, turning a family outing above Manhattan’s misty skyline into a tragedy. The helicopter carried six people, including three ...

Washington (CNN) — The first of the National Transportation Safety Board’s three days of investigative hearings is underway to help determine what caused the deadly midair collision on January 29 ...

NEW YORK CITY (WCBS/WLNY) — Six people died when a helicopter crashed into the Hudson River Thursday afternoon. The incident happened at around 3:17 p.m. near the Holland Tunnel ventilation shaft in ...

(CNN) — The American Airlines flight involved in the deadly collision with a Black Hawk helicopter over Washington, DC, seemed to increase its pitch just before the impact, preliminary data from a ...