Sudden arrival of a smack of lion’s mane jellyfish on Australian beaches prompts warnings for swimmers.

An upside-down jellyfish drifts in a shallow lagoon, rhythmically contracting its translucent bell. By night that beat drops ...

One minute, you’re swimming in the sparkling water off the Queensland coast. The next minute, you’re fighting for your life. That’s a plausible series of events for people unlucky enough to be stung ...

A beach day can be fun… until you see some jellyfish swimming around. If you saw a jellyfish in the water, would you warn other people who were swimming in the water, or would you keep the information ...

Authorities are urging swimmers to stay out of the water after thousands of lion’s mane jellyfish washed ashore across Port ...

An upside-down jellyfish drifts gently in a shallow lagoon. At first glance, it looks like it’s just floating, but scientists have discovered something qui ...

Officials say warm water and winds likely pushed the jellyfish into shallow waters ...