Add Yahoo as a preferred source to see more of our stories on Google. That startling, blaring alert set to go off Wednesday afternoon? No need to panic, it's only a test. At 1:20 p.m. CST, FEMA, in ...

A hacker who breached Brazil's national emergency alert system and pushed fake 'alien attack' warnings to millions of phones ...

WASHINGTON — “THIS IS A TEST”: If you have a cell phone or are watching television Wednesday, that message will flash across your screen as the federal government tests its emergency alert system used ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Your electronic devices may sound an alarm on Wednesday as FEMA tests a ...

Cellphones all over the country rang out an emergency alarm Wednesday afternoon as part of the Federal Emergency Management Agency's national emergency alert test. FEMA, along with the Federal ...

From text alerts to a tornado siren, the city of Denver broadcasted three accidental emergency alerts in six months.

Genasys, a leading provider of emergency alert software, had a tempting pitch for California counties looking for a seamless way to send evacuations orders with a click of a button. Lured by a better ...

Get ready to not freak out. On Wednesday, Oct. 4 at 2:20 p.m. EDT, every TV, radio and cellphone in the United States should blare out the distinctive, jarring electronic warning tone of an emergency ...

Denver will now require employees to receive additional approval before they can send wireless emergency alerts to residents.

When Lukas McKenzie, 17, a senior at Nevada Union High School chats with friends about his internship with Nevada County’s ...