Humans aren't the only species that like to swim in warm, near-shore waters. Jellyfish are back at the Delaware beaches, ready to ruin a good dip with their stinging tentacles. Sea and bay nettles and ...

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

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

On World Jellyfish Day 2025, uncover fascinating facts about these mesmerising ocean creatures. Dive into the mysterious world of jellyfish that continues to amaze scientists and nature lovers alike.

More than 300 mauve stingers, or palagia noctiluca, were recorded off an Anglesey beach last week, as well as other locations as far south as Pembrokeshire. The delicate, purplish jellyfish, whose ...

The Portuguese man-of-war, or Physalia, is a jelly-like creature that uses a special gas-filled balloon to float on the sea surface. Physalia inhabits the area where the ocean meets the atmosphere, in ...

World Jellyfish Day is celebrated annually on November 3 to raise awareness about the importance of jellyfish in marine ...

Jellyfish Day honors one of Earth’s oldest and most fascinating creatures, glowing reminders of resilience beneath the waves.

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 new species of Portuguese man o' war has been discovered floating in the waters of northeast Japan. Spotted by a ...