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

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

Residents of several cities in Brazil received notifications about an alien attack from the country's national civil defense.

Project Blue Beam, a conspiracy theory originating from Serge Monast's 1994 claims, suggests a government-led scheme to simulate a fake alien invasion or religious event to establish global control.

How do you imagine the coming alien invasion? Movies have been all over the map with this question, though in recent Japanese films such as Takashi Yamazaki’s “Parasyte” duology (2013-14) and Daihachi ...

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 ...