The first unmistakable signal from another intelligence would rank alongside fire and writing in the story of our species, yet a growing group of researchers warns that such a moment might arrive not ...

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

A retired US Navy rear admiral has claimed that 'higher-order non-human intelligence' effectively rules Earth's oceans, telling a US magazine that physics-defying UFO encounters convinced him alien ...