Turns out jellyfish and sea anemones – among the ancient creatures with a nervous system instead of a brain – have a very similar sleeping routine to our own. A new study published in Nature ...

Humans began sleeping as a way to partly help reduce DNA damage in nerve cells, scientists at Bar-Ilan University in Israel discovered while studying jellyfish and sea anemones. Both species sleep for ...

Jellyfish and sea anemones are curious creatures: these organisms evolved without a brain and, as scientists discovered only in the past few years, don’t need one to sleep. The animals do, however, ...

Jellyfish seem to sleep for about 8 hours a day, take midday naps and snooze more after a bad night’s sleep – just like us. Sleep is thought to have first evolved in marine creatures like these, and ...

RICHFIELD, Minn. — When you think of jellyfish, you’re likely imagining a marine jellyfish capable of inflicting a painful sting on humans and potential predators. You’re likely not envisioning a tiny ...

It pulsed like a tiny heartbeat — a clear, quarter-sized jellyfish rising through the calm water of Taft Lake, sunlight flickering through its translucent body. The sight stopped Kate Lucas mid-paddle ...

Texas beaches are experiencing a rise in sightings of the massive, rare Australian white-spotted jellyfish. One beachgoer found a 16-inch jellyfish along the shores of Padre Island National Seashore ...

An unprecedented number of "pink meanie" jellyfish, a species that can grow up to 50 pounds with tentacles stretching as long as 70 feet, are washing ashore along the Texas coast. From Port Aransas to ...

Multiple massive, rare jellyfish washed up on the Texas coast recently, surprising some beachgoers and feasting on a smaller jellyfish species. Jace Tunnell, the director of community engagement at ...

A rare, humongous jellyfish species with tentacles up to 70 feet long was spotted off the Texas coast this week, horrifying beachgoers, according to a report. At least 10 of the gelatinous giants — ...

A swarm of jellyfish has shut down a reactor at one of France's biggest nuclear power stations after swimming inside a series of filters in the water pumping station. Electricity production at the ...

This is a puzzle game where you rotate panels to align jellyfish in the ocean that are placed in random directions. The controls are simple—just observe the image carefully and tap the panel you want ...