They don’t have a brain or spinal cord. They float around in a way that often appears aimless. Though jellyfish lack a central nervous system, these gelatinous creatures again show that they might ...

Once upon a time, a jellyfish became a parasite, and its descendants became unrecognizable. Several are worms. Most are microscopic shapeless sacs. They produce spores, a behavior almost of unheard of ...

Decades later, Anna Klompen came across this quote, which sparked her interest in marine biology. Eschewing the charismatic megafauna of the ocean, Klompen instead turned to the poorly understood ...

Clinging jellyfish are a painful and potentially dangerous threat to New Jersey swimmers and they are already prolific in many bays and brackish rivers, warned state officials on Thursday. In areas ...

A box jellyfish advisory has been issued for Waikiki beaches today, according to HNL Alert. The advisory was issued at about 8:50 a.m. today after box jellyfish were observed at Waikiki beaches.