Giant jellyfish are washing ashore in alarming numbers this summer, and beach officials are sounding the alarm for a reason ...

South Bethany lifeguard James Baffone says when the water starts to warm up, more jellyfish tend to crowd the coastline.

One of the planet’s largest species of jellyfish—the Lion’s mane jellyfish ( Cyanea capillata )—have been making unwelcome ...

Nothing can ruin a day at the beach quite like a jellyfish sting. The stinging sea creature is a common occurrence in southern waters. Whether you are swimming in the Gulf, strolling along the ...

Jellyfish are visible in Delaware waters and beach patrol captains confirm stings are on the uptick. Here's what you'll see, ...

Hundreds of dead jellyfish washed up on a beach following monsoon waves in Thailand. The mass kill was discovered along a two ...

LEWES, Del. -- More beachgoers have been getting an unexpected shock this summer as jellyfish numbers bloom along the Delaware coast, interrupting -- but not stopping -- the summer fun. Beach patrol ...

Visitors heading to parts of the New England coastline this summer are being asked to pay closer attention than usual to what ...

Irish beaches are seeing large numbers of jellyfish lurking around the shore. But which ones should we worry about – and how should we treat the painful stings? Holiday-goers in Ireland may have ...

The recent heatwave has seen swarms of jellyfish on Irish beaches and this week one Kerry beach has certainly got its fair share. Photos and video taken on Fenit beach in recent days show the rather ...