UK tourists visiting Spain have been issued an urgent warning as popular Spanish beaches are experiencing "jellyfish invasions" after the dangerous Man of War and more harmless sail jellyfish have ...

Jellyfish sightings may be increasing at the Jersey Shore, possibly because of weather patterns. Six common jellyfish types in the area include the Atlantic bay nettle, clinging jellyfish, lion's mane ...

Here's everything you need to know about Portuguese man o' wars and what you need to do if you ever get stung.