James Grazzio, a Great Lakes biologist with the Department of Environmental Protection, never expected to encounter the ...

A rare freshwater jellyfish was captured on camera at Lake Erie. The Pennsylvania Department of Environmental Protection ...

A creature resembling a jellyfish was spotted in a pond at Presque Isle State Park. Said creature is called a Craspedacusta ...

When it comes to treating jellyfish stings, don’t fall for the myth of urinating on the sting. Instead, follow these steps and seek medical care if necessary: Remove any remaining tentacle materials ...

At Caltech, researchers have turned living jellyfish into low-cost, remotely controlled ocean robots — creating real-life cyborgs for deep-sea exploration and environmental sensing.

Look out: summer winds push blooms of jellyfish and other things that sting this time of year.

What to do if you're stung by a jellyfish? While not fatal, some jellyfish stings are incredibly painful. According to the Mayo Clinic, after getting stung, you should do the following: ...

If, by chance, you are stung by box jellyfish, which are found in tropical areas like the Indian and Pacific Oceans and not in Delaware, you will need medical attention and antivenom medication.