The Transportation Security Administration did not officially start requiring travelers to take off their shoes at the airport until August 2006.

The Department of Homeland Security announced an expansion of Transportation Security Administration checkpoints for families traveling with children and military members on Thursday.

The Transportation Security Administration (TSA) does allow passengers to travel with pets and bring them through airport security. However, there is one thing that travelers should keep in mind before bringing their pet through security.

Currently, liquids are limited to 3.4 ounces per container with exceptions for essential items. Days after announcing that travelers would no longer need to take their shoes off for TSA screening before flights, Homeland Security Secretary Kristi Noem hinted at another possible change.

Homeland Security officials have said they are reviewing all of TSA's current rules and "exploring new and innovative ways to enhance the passenger experience and our strong security posture,” which Matthew Borie,

Homeland Security Secretary Kristi Noem said changes may be coming on the amount of liquids travelers can bring in their carry-on bag.

Wondering if you can take a jar of peanut butter through airport security? Consider this weird TSA restriction before packing PB in your carry-on luggage.