David Bowie as Thomas Jerome Newton in 'The Man Who Fell to Earth'; a Xenomorph in 'Aliens'; Scarlett Johansson as the Female in 'Under the Skin' A casual viewer might assume that if you've seen one ...

We may receive a commission on purchases made from links. Are we alone in the universe? It's a huge question with no easy answer. And, following on from that, if we aren't alone, what would beings ...

The collection of the best alien movies is constantly growing. In fact, over the years, it's clear that there's an ongoing fixation with films that feature outer-space lifeforms. Extraterrestrials ...