California's beaches may be some of the most photographed and well-documented coastlines in the world, but just miles from ...

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 ...

'Velella velella are deep blue or purple in colour and often cause confusion if they wash in, in vast numbers, creating a ...