Imagine receiving an alert on your phone from a government agency at night, warning you about an alien attack, when you have ...

Hackers breached Brazil’s national emergency alert system overnight on June 19 and 20, sending fake notifications to ...

A hoax 'alien invasion' alert in Brazil caused panic and amusement, revealing vulnerabilities in emergency systems.

Scientists have warned that a mysterious space object the size of Manhattan is hurtling towards the Earth, and the danger it poses isn't what you're thinking. According to a new study, the space ...