The big screen has played host to many epic alien invasions, but so have our TVs, and here's the five best alien invasions ...

Alien invasion stories have been around for decades, and some of sci-fi's most interesting entries are often overlooked or completely forgotten today.

Millions of Brazilians were jolted awake by a sudden 'alien invasion' phone alert at around 1:30am on 19 and 20 June, after emergency systems in cities including Belo Horizonte and Rio de Janeiro ...

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 ...