LiveScience Topics: Jellyfish

Find out everything there is to know about jellyfish and stay updated on the latest jellyfish news with the comprehensive articles, interactive features and jellyfish pictures at LiveScience.com. Learn more about these fascinating creatures as scientists continue to make amazing discoveries about jellyfish.

Explore Jellyfish

Light Shed on Mysteries of Deadly Jellyfish

Clues to the a jellyfish's deadly sting may lead to an antidote.
Fishing Boat Sunk by Giant Jellyfish

A Japanese trawler capsized when its 3-man crew apparently tried to haul up a net that was too heavy.
Dangers in the Deep: 10 Scariest Sea Creatures

Just when you though it was safe to go in the water, these predators lurk below.

More Jellyfish News and Information

The Truth Behind Global Jellyfish Swarms

A "jellyologist" explains the mysteries of large swarms of jellyfish that can cover hundreds of square miles of ocean.
8 Signs the Animal Kingdom Is Out of Whack

Rising temperatures are affecting the animal kingdom in many subtle ways.
Group Touts 10 Wild New Species

Bizarre and lethal species make a top 10 new species list.
Shock: First Animal on Earth Was Surprisingly Complex

New study shows complex creature was likely Earth's first animal.
Fish-Like Creature Glows in the Dark

Fish-like creature sports green fluorescent proteins like jellyfish and corals.
Brain Cells Colored To Create 'Brainbow'

The new technique causes neurons to glow in 90 distinct colors.
Oldest Known Jellyfish Fossils Found

Oldest known jellyfish fossils found, show 200 million years older than thought.
Origin of Vision Discovered

Tiny Hydras possess genes that make them light sensitive, a precursor to vision.
Monster Jellyfish Invade Gulf of Mexico

The creatures threaten to devour local fish.
Scientists Create 12-Headed Jellyfish

Scientists tinker with jellyfish and give it up to a dozen heads.
Jellyfish Have Human-Like Eyes

Here's lookin' like you, babe. Jellyfish have many eyes that serve different purposes. One set works like ours.
Squid Power: Propulsion Systems Modeled on Nature

Squid, jellyfish and other cephalopods are thought to be pretty efficient at getting around. So scientists are copying their natural designs.
Fewer Fish Leads to Jellyfish Explosion

In a region off the west coast of Africa, jellyfish are taking over. Similar scenarios play out around the globe.
Jellyfish Invade the Globe, Thanks to Humans

Ships to blame, scientists say while also announcing 16 new species.