Divers often come across weird, unexpected things. It’s not always a good idea to investigate up close. But when John Roney ...

Did you see a jellyfish on a recent trip to the seaside? U.K. beachgoers are more likely to spot one now than in the past, as rising sea temperatures due to climate change have ushered more of these ...

An underwater videographer has just published mesmerizing footage of the world’s largest, longest, and heaviest known ...

The oceans of the world are made up of countless fascinating creatures, many of which have yet to be discovered. It’s argued that among the most beautiful and majestic of the ocean creatures are the ...

While the brown, white-spotted jellyfish is generally harmless to humans, it is considered a threat to local wildlife. “Unfortunately, these jellies are invasive in the Gulf of Mexico and in great ...

Lion’s mane (Cyanea rosea) are the largest species of jellyfish seen in New Zealand and often wash up on Northland and ...

Tiny freshwater jellyfish, seldom seen in Northland waters, were spotted in recent days in Namakan Lake along the Ontario border. Thousands of the small jellyfish were spotted Saturday by Steve Geving ...

The Missouri Department of Conservation reports an invasive species of jellyfish from China can be found in Missouri’s lakes, reservoirs, and other freshwater habitats. An invasive species of ...