The Pentagon has released another batch of ‘UFO Files’ with footage of unknown objects in the sky—here are the most common alien theories, explained. This voice experience is generated by AI. Learn ...

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 ...

The alien invasion storyline is one of the classic and most reliable premises in sci-fi history. It's an easy way to introduce a potential threat to humanity and explore the idea of confronting the ...

Add Yahoo as a preferred source to see more of our stories on Google. Some of the greatest sci-fi movies of all time revolve around humans in a desperate struggle for survival. Sometimes we're ...

Steven Spielberg once again made a movie that focuses on aliens coming to Earth, so it's probably worth watching some other ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. As we saw last week in ...