The vast majority of our planet remains a complete mystery, hidden beneath miles of crushing water where sunlight never penetrates. In this eternal darkness, evolution has taken a path so bizarre that ...

They are iridescent, bright blue and jellylike, with stinging tentacles that dangle from their flat, oval-shaped bodies. Just 3 to 4 inches long, these alien-looking creatures use a short, clear flap ...

Alien: Earth showrunner Noah Hawley clearly didn’t think the franchise was doing enough with the implications of its title. Ridley Scott’s Alien (1979) imagined the kind of nightmare lifeforms that ...

This alien-looking sea creature survives by stealing venom, toxins, and even live stinging cells from dangerous prey before ...