Hearing that just one air traffic controller was monitoring both planes and helicopters has left many to wonder how common such a situation is.

Following the deadly midair collision in Washington, D.C., Chicago officials are raising concerns about safety at local airports.

It will be some time before investigators can offer clear answers to the cause of the midair crash at Ronald Reagan ...

The airport will be closed until possibly 10 a.m. central time, impacting several flights at Chicago's O'Hare International ...