Beachgoers along Florida’s Space Coast are being urged to use caution after Portuguese man o’ war and blue jellyfish were ...

It looks like a child lost their floaty toy, right? But whatever you do, don’t try to pick it up. That ain’t no floaty toy.

Add Yahoo as a preferred source to see more of our stories on Google. Portuguese Man O'War species aren't technically jellyfish, but siphonophores. For around 250 years, marine biologists believed the ...

A team of students at Tohoku University in northeastern Japan discovered a new species purely by happenstance.

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 ...

Researchers in Japan have discovered a new species of venomous Portuguese man-of-war jellyfish. A student-led team from Tohoku University identified the previously unknown species of marine hydrozoan, ...

Portuguese man o' wars are washing up on the Delaware beaches. Kimberly Neff of Ocean View found two Portuguese man o'wars on the beach Oct. 2, she said, one on Bethany Beach and one on the Indian ...

The name mikazuki isn’t random. It is a nod to the local history of the Tohoku region, derived from the Japanese word for ...

City officials have issued a Portuguese man-of-war advisory for Hanauma Bay Nature Preserve and Waikiki beaches this morning. An HNL alert was issued at 9:15 a.m. after the stinging man-o-wars were ...

Honolulu Ocean Safety responded to 13 box jellyfish-related incidents today including eight in the Ala Moana Beach area, three from a boat outside Kuhio Beach and one from a canoe paddler outside ...