Some of the world's leading experts have now revealed what noises life beyond Earth might really make - and they say Steven ...

The original Star Trek series secretly used sounds of people kissing to create noises for one of its many alien monsters.

In space, goes the saying, no one can hear you scream. The tagline heralded Ridley Scott's Alien, which spawned one of the most successful sci-fi/horror franchises in film history. And now it's back.

This summer’s Alien: Earth TV series serves up more than one kind monster – something we’ve seen before in the long-running Alien franchise… NB: The following contains a spoiler for Alien: Romulus.