Aviation-security experts say a relatively small explosive could bring down an airliner, as the Islamic State claims to have destroyed a Russian plane with a bomb the size of a soda can.

The Transportation Security Administration must find new ways to screen checked baggage for explosives, or it will miss a key deadline in the 2001 Aviation and Transportation Security Act ...

Simmering anger at the billionaire’s unchecked power spilled out in a remarkable Cabinet Room meeting ... and forth about the state of the Federal Aviation Administration’s equipment for ...