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 ...

Things on Earth are already pretty chaotic at the moment and an alien invasion is frankly the last thing we need. But according to some scientists, a potentially hostile alien threat could soon arrive ...

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 ...