Science fiction movies and comics have long played with the boundaries of fear and fascination. Be it the characters in the form of shape-changing aliens, gooey-looking, bizarre creatures, or ...

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

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 ...

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 ...

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 ...

With tentacles trailing up to 120 feet, the lion's mane jellyfish is basically the deep-sea version of Rapunzel—if she could sting. Its bell can reach 8 feet wide, and those glowing tendrils help it ...