In fast-changing conditions, local agencies had to get information to residents quickly. They relied on a patchwork of emergency alert systems, social media accounts, and door-to-door efforts. They ...

During January's fires, emergency alert failures killed trust: Altadena residents received evacuation orders five hours late, ...

Tesla made Mad Max mode available briefly in 2018 and then reintroduced it in October. It contradicts a core promise of ...

TikTok has added a Minis tab that enables users to watch micro dramas in its app, as it looks to boost engagement and ...

Officials said Sunday night that they would release a person of interest they had detained earlier. They did not identify any ...

The new rules place tougher expectations on security, operational processes, and technical capability, making it essential ...

Erica Banks, vice president of technology for CNN’s platforms group, oversees the teams that alert millions of people ...

Florida’s new rules for rail crossings take effect Jan. 1, aimed at reducing the number of drivers and pedestrians killed by trains. The rail manual is a substantial rewrite of what is currently in ...

Police released a slew of new video and images of the Brown University mass shooting suspect, primarily from the hours before ...

A newly identified amoeba can survive at the temperature of a medium-well steak. Plus, a distant lava planet shows signs of ...

She remembers him as skinny and “a little bit on the shorter side.” Navarro, who is about five feet seven, was an avid ...

A puzzling cosmic blast detected in both light and gravitational waves may hint at a previously unseen type of explosion, ...