A mock emergency scenario video uploaded to YouTube in 2022 is circulating with the false claim that it shows a nuclear warning broadcast across multiple U.S. states in mid-February.

T-Mobile says it has successfully sent a test wireless emergency alert via a Starlink satellite. T-Mobile and SpaceX are also building a satellite-to-smartphone service.

The Florida Division of Emergency Management said the early morning alert was not supposed to disturb people who were asleep. By Amanda Holpuch Many Florida residents woke up to a screeching alarm ...

Sunday’s test of the new emergency alert service has already prompted some backlash. For some, the alert, which could sound for up to 10 seconds, is seen as an annoyance.