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 Japanese teenager discovers a new species of jellyfish in a bay, Orchistoma integrale, extending the habitat of this genus.

A new venomous species, _Physalia mikazuki_, has been discovered by Tohoku University students off Japan's coast. This discovery highlights the impact of climate change on marine biodiversity.

A student-led research group from Tohoku University has discovered a new species of the venomous Physalia (commonly known as Portuguese man-of-war) that has never been seen before in northeast Japan.

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

Scientists confirm tropical jellyfish Cassiopea andromeda in Aguadulce, Almeria – first record in Andalucian waters and ...

Israeli researchers said Wednesday they have identified an Indian Ocean sea slug now hunting jellyfish polyps off Israel’s ...

This new species of a notorious jellyfish may be able to survive further north, which can be hazardous to swimmers and the ...

Barrel jellyfish have been on a significant rise with a 230 per cent increase in sightings compared to last year ...

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

Jellyfish are some of the most mysterious and beautiful creatures in the sea. They have no bones, no brains, and yet they’ve survived for millions of years. While most people know about the common ...