A box jellyfish advisory has been issued for south-facing shores of Oahu, which include Waikiki and Ala Moana beaches.

Here are the U.S. beaches with the most jellyfish stings, plus which species are common, and expert tips on how to avoid and ...

With a baking hot summer just starting, millions of Americans have already begun flooding the nation’s beaches. They’ll face traffic jams, algae blooms, sunburn and a rising threat – painful jellyfish ...

Jellyfish Day honors one of Earth’s oldest and most fascinating creatures, glowing reminders of resilience beneath the waves.

The Box Jellyfish is one of the deadliest creatures on Earth, capable of killing a human in just minutes with its powerful ...

For Caribbean box jellyfish, learning is literally a no-brainer. In a new experiment, these animals learned to spot and avoid obstacles despite having no central brain, researchers report September 22 ...

People from all over will head to Delaware's beaches as Memorial Day weekend kicks off summer. When you arrive, they will lurk along the coastline, waiting for you to step in the water. And, if you ...

The Portuguese man-of-war, or Physalia, is a jelly-like creature that uses a special gas-filled balloon to float on the sea surface. Physalia inhabits the area where the ocean meets the atmosphere, in ...