Alien: Romulus contains quite a few call-backs and nods to Ridley Scott's original masterpiece and James Cameron's sequel, but it also reintroduces a much-maligned concept from Alien: Resurrection.

We've all grown up dreaming of aliens landing on the Earth or laser beaming across the sky; well, either way, it's sci-fi and dramatic. But what if the real first "hello" from space isn't from a ...