Have you ever seen a blue sea creature like this one? The oceans of the world are home to some unusual creatures, and few compare to the likes of this sea slug. So, let’s dive a little deeper ...

Hordes of bright blue, jellyfish-like sea creatures are washing up on beaches across California. As of Monday, thousands of the critters — called velella velella or by-the-wind sailors — have been ...

Thousands of electric blue, jellyfish-like sea creatures washed up on Central Coast beaches this week. Known by the nickname ...

While this blue sea creature appears to be writhing in pain, it’s actually just moving around. The cerata, or feather-like protrusions from the body, move easily and gracefully.

Hordes of bright blue, jellyfish-like sea creatures are washing up on beaches across California. As of Monday, thousands of the critters — called velella velella or by-the-wind sailors — have ...