The air traffic controllers directing planes into the Newark, New Jersey, airport briefly lost their radar Friday morning for the second time in two weeks, renewing concerns about the nation’s aging ...

On Monday evening, there were as few as three air traffic controllers at a Philadelphia radar center scheduled each hour to guide planes that were flying into and out of Newark Liberty International ...

At least 16 commercial planes were likely being tracked by Newark approach controllers when the airport’s communication and radar went down on April 28, including at least eight that were diverted to ...