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 ...

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