Researchers found that two individuals of a type of comb jelly can fuse and become one with a shared nervous system and digestive system. It has implications for animal regeneration and immune systems ...

Comb jellies are these beautiful, otherworldly creatures that sparkle gently in the sea. And now, if a study in the journal Science and another one in the journal Nature hold up, they may not be so ...

A little more than a year ago, while biologist Kei Jokura was in Woods Hole, Mass., he routinely walked down to the water, scanning for comb jellies. "They look like a jellyfish," he says, "but ...

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Reverse development, where some animals can turn back to earlier life stages instead of aging normally, has now been documented in the Atlantic comb jelly, Mnemiopsis leidyi, often known as the “sea ...

Scientists have discovered a new species of comb jelly in deep underwater trenches off the coast of Puerto Rico that they said was observed moving like a hot air balloon tethered to the seafloor.