Jurassic World helped reignite global fascination with dinosaurs, but many of its most famous creatures are built on scientific shortcuts and outdated ideas. Fossil evidence has evolved rapidly, ...

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, ...

These rare sea creatures live where the sun don't shine. By Laura Baisas Published Jan 6, 2026 4:15 PM EST Get the Popular Science daily newsletter💡 Breakthroughs ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Portuguese Man O'War species aren't technically jellyfish, but siphonophores. For around 250 years, marine biologists believed the ...

Blurring the line between biology and robotics, Chinese scientists are taking biomimicry to new depths with a small, low-energy bionic jellyfish that's so lifelike in form and movement it’s almost ...