A hoax 'alien invasion' alert in Brazil caused panic and amusement, revealing vulnerabilities in emergency systems. Authorities are investigating the breach.

Imagine receiving an alert on your phone from a government agency at night, warning you about an alien attack, when you have barely made it onto your bed. That is what happened to thousands of ...

Brazilians woke up today to a strange alert sent to their phones, the emergency alert was purported to be sent from aliens, warning them that ...

An international research team led by the University of Vienna has produced, for the first time, high-resolution global maps of invasion risk for thousands of alien plant species under current ...

A hacker who breached Brazil's national emergency alert system and pushed fake 'alien attack' warnings to millions of phones overnight has handed cybersecurity experts a working demonstration of a ...