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

Divers often come across weird, unexpected things. It’s not always a good idea to investigate up close. But when John Roney ...

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

An underwater videographer has just published mesmerizing footage of the world’s largest, longest, and heaviest known ...

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 ...

Multiple massive, rare jellyfish washed up on the Texas coast recently, surprising some beachgoers and feasting on a smaller jellyfish species. Jace Tunnell, the director of community engagement at ...

A remarkable underwater video capturing the lion’s mane jellyfish—the world’s largest, longest, and heaviest known jellyfish ...

The box jellyfish is the most dangerous jellyfish in the world. Learn where it's found, why its venom is so deadly, and how ...

At Delaware's Lewes Beach, Beach Patrol Captain Strohm Edwards has seen more jellyfish this year than any other and stings have tripled. Along the Nantucket Sound shoreline, researchers believe ...

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 ...