Last month, Cassiopea andromeda, more commonly known as the upside-down jellyfish, were found to have similar sleep patterns to humans—but they do not have brains. Like humans, Cassiopea andromeda ...

Blue turquoise waves lap at white sand on the Spanish island of Formentera in the Mediterranean Sea. Sweaty tourists from all over Europe cram the beach. But on this particular afternoon, no one dares ...

A cheap pair of accessories may transform some of the Earth’s oldest creatures into high-tech, deep sea researchers. By Andrew Paul Published Mar 11, 2024 12:30 PM EDT Get the Popular Science daily ...

With their translucent bells, moon jellyfish (Aurelia aurita) move around the oceans in a very efficient way. Scientists have now used a mathematical model to investigate how these cnidarians manage ...

A tiny jellyfish found in the ocean possesses an extraordinary ability to reverse its life cycle. This creature can transform ...