TSA agents don’t rely solely on X-ray machines and body scanners. They also use their eyes as part of the security process.

As airport security checkpoints undergo changes that may help travelers get through faster and with less hassle, experts say paid services offering modified security screenings — like TSA PreCheck, ...

The fearsome four-letter combination of "SSSS" stands for “Secondary Security Screening Selection.” It is a standard part of the Transportation Security Administration's random and layered security ...

Travelers arriving in the United States are increasingly subjected to questioning and extended screening at airports.