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 ...

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 ...

California’s beaches may be some of the most photographed and well-documented coastlines in the world, but just miles from the shore, scientists are still finding creatures never seen by humans. This ...