This jellyfish species has a clear body, can glow green and has an almost unnoticeable sting, Jace Tunnell writes.

Blue, jellyfish-like creatures called Velella velella have been washing up along California’s coast recently, captivating Bay ...

SeaWorld San Diego’s newest attraction is an aquarium full of jellyfish species that has guests of all ages feeling like they’ve stepped into an underwater lava lamp with these otherworldly creatures.

Covering beaches around Mallorca. The barquetes de Sant Pere have filaments with stinging cells, the same type as jellyfish.

The Bolinas Beach in Marin County was covered with a massive swarm of Velella. The jellyfish-like species are common in Northern California in spring and summer. The weekend rains and winds washed ...

a jellyfish species known as the ”Sea Walnut“ and normally resident in the Atlantic, was accidentally introduced into the Black Sea and had such ”overwhelming“ impact on fish populations ...

Portuguese man o’ war have been spotted on Spanish beaches, forcing the temporary closure of some popular shorelines last ...

Spain is facing an unexpected threat that seems only to be getting worse - and it could prohibit holidaymakers swimming in ...

Jellyfish, often found washed ashore or trapped between rocks, are a good example. Even if they appear harmless, these special sea creatures will surprise you with how quickly they sting — even ...

When my little brother and I spent summers on Monhegan as children, we played in the tidal pools on the back side of the ...

Get ready to level up your vacation experience with “Jewels of the Sea,” This unique adventure park experience explores the depths of ...