An investigative hearing into a deadly mid-air collision of a US Army helicopter and a passenger plane that killed 67 people in Washington has revealed a discrepancy in the chopper’s altitude displays ...

By Matt Rehbein, Hanna Park, Martin Goillandeau, Lauren Mascarenhas, Mike Figliola, Mary Gilbert, CNN (CNN) — Severe turbulence struck a Delta flight from Salt Lake City to Amsterdam Wednesday, ...