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 ...

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 ...

For almost two decades, scientists have debated whether sponges or comb jellies are the first animal lineage. Now some are ...

“While maintaining a population of M. leidyi in a seawater tank, we noticed an atypically large individual with two aboral ends [referring to the area farthest from the mouth] and two apical organs ...

And now, news of a tiny, transparent creature that can pull off a stunning trick - two individuals can fuse to become one. Here's science reporter Ari Daniel. ARI DANIEL, BYLINE: A little more than a ...

For almost two decades, scientists have debated whether sponges or comb jellies are the first animal lineage. Now some are calling for a more harmonious approach. Which animals came first? For more ...