Every year, World Jellyfish Day celebrates one of the ocean’s most enigmatic creatures. Graceful yet dangerous, simple yet ...

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 ...

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.

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

This robot from China looks and moves like a jellyfish. It is said to be suitable for a variety of applications.

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 ring of beads connected to tentacles A modeling study shows how chemical reactions can stimulate motion in simple systems, like the structure here—made of enzyme coated beads connected to ...