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.

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 ...

Our “samurai” should have never made it to the sands of Gamo Beach in Sendai Bay. This beach is historically too temperate ...

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 ...

VOLUSIA COUNTY, Fla. — The weather for the beach is looking beautiful, but before you get your feet wet lifeguards have a warning. Portuguese Man o' War and other dangerous sea life have been washing ...

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 ...

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 ...

The warning flags on the beach follow a stoplight system with green, yellow and red. If caught in a rip current, don’t swim directly back to shore. Instead, swim parallel to the shore until you’re out ...

For more than 500 million years – well before dinosaurs ever thought of existing – jellyfish have floated through the world’s oceans. Today, 2,000 species of jellyfish have been discovered around the ...