Mu Ko Similan has warned visitors after Blue Button jellyfish were found in designated swimming areas, on the eastern side of Island No. 4.

A TOURIST hotspot beach has been closed for swimming after sightings of a poisonous jellyfish. Holidaymakers have been warned ...

SEASIDE, Ore. — Visitors at the Oregon Coast in recent weeks have spotted something unusual along some stretches of the beach: large clusters of small, blue-tinted creatures that look sort of like ...

MALIBU, Calif. (KABC) -- Blue jellyfish have invaded Malibu! About a billion of these sea creatures have washed ashore on the West Coast in the past few weeks. The blue jellyfish have distinctive ...

Strange springtime visitors — gelatinous sea creatures known as by-the-wind sailors, or Velella velellas— are arriving by the thousands on Bay Area beaches. Expect to see them sail onto Southern ...

Add Yahoo as a preferred source to see more of our stories on Google. By the Wind Sailors washed up in Cayucos on April 10. (Danna Dykstra-Coy /dannajoyimages.com ...

From red to blue, harmless to lethal, and microscopic to humongous, jellyfish come in all different shapes and sizes and are ...