The sensation of hunger seems pretty simple on the surface, but behind the scenes, it involves complicated networks of sending and signaling, with multiple hormones that influence whether we decide to ...

Jellyfish have voracious appetites, and they aren’t considered the most selective eaters. Almost anything that gets stuck to their tentacles winds up in the gelatinous sack that they use to digest ...

Marine biologists are scratching their heads over an enormous, tentacle-free jellyfish discovered off the coast of Western ...

This is a preview. Log in through your library . Abstract Jellyfish are ubiquitous predators in marine pelagic environments and can sometimes control their zooplankton prey populations. Recent ...

This story appears in the October 2018 issue of National Geographic magazine. Moon jellies, which are found in shallow bays around the world, look like small, not entirely friendly ghosts. They have ...

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 ...

Unlucky divers and swimmers have experienced “stinging water,” a mysterious occurrence when people are stung when they get near, but don’t touch, Cassiopeia, a type of jellyfish that spends its time ...

Scientists say they have unraveled the mystery of the unusual "stinging water" phenomenon long reported by swimmers and snorkelers who have strayed close to upside-down jellyfish—the creatures launch ...

Jellyfish have voracious appetites, and they aren't considered the most selective eaters. Almost anything that gets stuck to their tentacles winds up in the gelatinous sack that they use to digest ...