This species, the lion's mane jellyfish, packs a painful sting and has tentacles that can stretch more than 100 feet.

Beach safety officials warn that dangerous marine life - specifically early-arriving jellyfish - are creating painful ...

A large lion's mane jellyfish washed ashore in South Portland over the weekend.City officials say the nearly 5-foot-wide ...

OGUNQUIT (WGME) – Jellyfish warnings have been issued by several southern Maine communities along the coast. Ogunquit's fire ...

Researchers have sequenced the genome of a unique species of jellyfish with 28 eyes to help us understand the wild evolution of vision.

As the waters off England, Ireland, Wales and even as far north as Scotland get warmer, they create a more favourable ...

As jellyfish get larger, they will consume common bait fish and full-sized fish, he said. Jellyfish "could be really devastating to fisheries around the world," said Bologna.