The firework jellyfish is rarely seen by humans, but its bioluminescence could put any July 4th show to shame.

Scores of jellyfish-like creatures are washing up on Central Coast Beaches. The animals are called velella velella, and they ...

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 ...

Jellyfish-like creatures, known as Portuguese man-of-wars, have been spotted recently along Florida and Alabama beaches, officials said. Screengrab from City of Orange Beach Coastal Resources post ...

According to a Facebook post from Channel Islands Harbor, the jellyfish-like creatures have washed ashore at the harbor and along the Kiddie, Silver Strand and Hollywood beaches. "Velella velellas ...

Called velella velella or by-the-wind sailors, the jellyfish-like creatures typically are far offshore. But winds blew heaps onshore this spring. It is not a true jellyfish but a close relative ...

Thousands of electric blue, jellyfish-like sea creatures washed up on Central Coast beaches this week. Known by the nickname of by-the-wind sailors, velella velella are hydrozoans — a species ...

As the weather warms up, boaters and swimmers look forward to spending more time on the bay and rivers near their homes, but the return of warm temperatures also bring back a certain pest. No, we’re ...