Authorities have not pinpointed a reason for the collision, which happened as the regional jet was trying to land at Ronald ...

The father of 28-year-old PSA Airs co-pilot Sam Lilley, who was killed in the deadly collision near Ronald Reagan Washington National Airport, appeared to fight back tears […] ...

Questions remain over the mid-air collision between a jet, which was carrying 64 people, including the crew, and a military ...