Dangerous Portuguese Man O' War have washed ashore on popular Welsh beaches. Authorities are warning the public to avoid contact with these venomous c ...

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

Scientists in Japan discovered Physalia mikazuki, a new venomous jellyfish species carried north by warm currents.

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

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

The usually abundant jellyfish have almost disappeared from Maltese waters this summer, leaving marine scientists puzzled.

There were 310 sightings of the species around Britain and Ireland in the last 12 months - a whopping yearly increase of 230 ...

A vibrant blue jellyfish appeared on a quiet Japanese beach. What scientists found next changed everything they knew.

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

Scientists in Japan have discovered Physalia mikazuki, a previously unknown species of Portuguese man-of-war, in northern waters for the first time. DNA and anatomical analysis confirmed it as ...

A student-led research group from Tohoku University has discovered a new species of the venomous Physalia (commonly known as ...

Roney’s encounter was more awe than fear. Filming after sunset with another diver, he traced the jelly’s glowing form through the inky water of the Salish Sea, a place where cold Pacific currents mix ...