A box jellyfish alert has been issued for Waikiki beaches on the south side of Oahu, while a shark alert remains in effect for Waimea Bay on the north side, this morning.

Finalists in the Ocean Photographer of the Year 2025 competition capture beautiful images of animals and people oceans.

Jellyfish are back in the waters off Cape Cod. And that means jellyfish stings for some unfortunate swimmers. But, as Amy ...

"I wanted to encourage people to safely observe." Scientists issue warning amid surge in jellyfish sightings: 'More likely to ...

Jellyfish blooms are cyclical, and if conditions are right, an explosion can occur. When warm water meets the right current, wind direction and salinity level, it’s a jellyfish world, and we’re all ...

The waify jellyfish, about the size of a penny or a quarter, have been seen recently in a few spots around Lake Erie, ...

In 2023, a tourist stumbled upon a jellyfish species not seen since 1976. A follow-up investigation strongly suggests these jellies are very much alive and swimming.

AN URGENT warning has been issued after the most dangerous species of jellyfish in Ireland was spotted on beaches in Dublin.

A box jellyfish advisory has been issued this morning for Waikiki beaches. The advisory was issued via HNL Alert about 8:15 a ...

These jellyfish are a little different. Craspedacusta sowerbii is a freshwater jellyfish species that is native to China’s ...

More beachgoers have been getting an unexpected shock this summer as jellyfish numbers bloom along the Delaware coast.

A nuclear plant in northern France was temporarily shut down on Monday after a swarm of jellyfish clogged pumps used to cool ...