Small but mighty and venomous creatures have caused the closure of tourist beaches for a second time in southeastern Spain this week after they were discovered in the water, local authorities ...

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 ...

Officials in Spain temporarily shut down popular Mediterranean beaches after rare, brightly colored, and highly venomous sea slugs appeared in the water, CNN reported. "Contact with this marine animal ...

Another Spanish beach has closed after the invasion of the potentially deadly blue dragon sea creatures as the venomous species continues to spread across the country. The dangerous creatures, which ...

Tourists and residents were warned not to swim at beaches in Spain after mythical-looking sea creatures washed up on shore. The town of Guardamar del Segura, in Alicante on the Costa Blanca, reported ...

Beaches in the town of Guardamar del Segura, in southeastern Spain, closed earlier this week after the discovery of two venomous sea slugs in the water, local authorities announced. Due to the ...