Here are the U.S. beaches with the most jellyfish stings, plus which species are common, and expert tips on how to avoid and ...

A dangerous jellyfish has been spotted on the beach, a single sting from which can be fatal. Where was this jellyfish found?

Dangerous Portuguese Man O' War have washed ashore on popular Welsh beaches. Authorities are warning the public to avoid contact with these venomous creatures. Even dead specimens retain their sting.

The Portuguese man-of-war, or Physalia, is a jelly-like creature that uses a special gas-filled balloon to float on the sea ...

A team of university students in Japan identified an entirely new species of the mighty Portuguese Man O’War. Described in a ...

VIRGINIA BEACH, Va. (WAVY) — The venomous Portuguese man o’ war has been spotted in Virginia Beach. When the marine creatures washed up in the resort city, a lot of people were surprised. That ...

The Port Talbot Coastguard has issued an urgent warning after several Portuguese Man O' War, also known as "Floating Terrors, ...

Researchers in Japan have discovered a new species of venomous Portuguese man-of-war jellyfish. A student-led team from Tohoku University identified the previously unknown species of marine hydrozoan, ...

"I came across this unique jellyfish I had never seen around here before [...] So I scooped it up, put it in a ziplock bag, ...

A new species of venomous Portuguese man-of-war, Physalia mikazuki, has been discovered in northern Japan. Genetic evidence ...