“Not all beaches along the California coastline are recommended for swimming or wading,” California State Parks said on its ...

It's a strange sight, to be sure: thousands of sailboat-like gelatinous organisms all arrayed on a beach like the landing of ...

Bright-blue Portuguese man o' war are washing up at beaches across the Gulf Coast. The creatures, close relatives of ...

A mellow Malibu beach weekend turned painful for some surfers, as lifeguards and city officials issued a warning after ...

The warning comes after a swimmer drowned off Pompano Beach last Sunday. Fort Lauderdale Ocean Rescue reported that more than ...

The seasonal return of a poisonous, stingy jellyfish is here once again, potentially putting families vacationing on the Gulf ...

The small but dangerous sea creature — which is known for its long tentacles and polyps that extend up to 100 feet, according ...

Moon jellyfish’s sting is likely to cause a mild reaction, but authorities warned tourists to avoid any direct contact, ...

Windy weather brings rough surf and dangerous marine life to beaches along the Gulf Coast, elevating risks for beachgoers.

Scientists have revealed the animals with the most painful stings in the world. Jellyfish, wasps, hornets and ants are among ...