No one thinks about the old Emergency Broadcast Signal anymore. It feels like a relic of another era. But the frequencies ...

CLAIM: An emergency broadcast system test on Oct. 4 will send a signal to cell phones nationwide in order to activate nanoparticles such as graphene oxide that have been introduced into people’s ...

There was an incorrect emergency message broadcast on the emergency broadcast system on Wednesday. The first Wednesday of each month, St. Louis County tests it’s emergency broadcast system ...

The first monthly test of the all-hazard Statewide Outdoor Warning Siren System in 2026 will take place on Jan. 2 at 11:45 ...