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.

A seven-ton meteor streaked across the skies above Cleveland yesterday morning, producing a powerful sonic boom that shook homes across northeast Ohio and parts of several other states beyond. NASA ...