Equipment used to jam radio frequencies has long been banned by the Federal Communications Commission for public use and sale. The FCC now appears poised to investigate companies, including Amazon, ...

High in the remote Italian Alps, these Cold War-era radio jammers once worked to block enemy transmissions. Built for secrecy and silence, they now stand as eerie monuments to a tense period in world ...

The United States is rolling out advanced tools to protect its satellites and limit rivals’ ability to monitor or disrupt from space. The Space Force is deploying satellite jammers, designed to ...