The St. George’s Cross medusa is about four inches wide, three inches long, and has about 240 tentacles. The St. George’s Cross medusa is considered fairly large for a jellyfish, at about four inches ...

Overfishing and rising temperatures under climate change could mean more and more jellyfish at coasts and also lead to them dominating the Arctic Ocean in the future, according to new research. Thomas ...

"These discoveries remind us that we still know so little about the ocean, the largest living space on Earth," said the Monterey Bay Aquarium Research Institute A recently discovered deep-sea ...

It’s out-of-the-box scary. The Tripedaliidae jellyfish species has welcomed its fourth family member — a new 24-eyed creature that measures just over a half-inch long and carries a remarkably ...

Only 1.5 centimeters in length on average, these new jellyfish have 24 eyes located in four sensory organs, which together provide the organism 360-degree vision. Although this new species has only ...

The Canadian Rocky Mountains offer more than scenic views: The mountains have been hiding fossils of an ancient jellyfish species. Researchers analyzed 182 fossils that were found in the middle ...

A jellyfish study initiated by the Wayamba University of Sri Lanka has shed light on this ignored marine species that’s rarely been studied since 1905 and contributed to increasing the possible number ...

More than 300 mauve stingers, or palagia noctiluca, were recorded off an Anglesey beach last week, as well as other locations as far south as Pembrokeshire. The delicate, purplish jellyfish, whose ...

New discoveries have highlighted the Philippines' rich biodiversity, including a newly identified pitcher plant species in ...

A rare and striking "pink meanie" jellyfish has been captivating tourists and locals along the Texas Gulf Coast for the past few weeks, with sightings reported from Port Aransas to Corpus Christi. The ...