Add Yahoo as a preferred source to see more of our stories on Google. An adult specimen of the comb jelly Mnemiopsis leidyi seen from above. In the center of the image, it is possible to distinguish ...

A new study of comb jellies has revealed that their nervous system is more complex than previously thought. What’s more, this sheds a whole new light on how nervous systems evolved. Did nervous ...

Which animals came first? For more than a century, most evidence suggested that sponges, immobile filter-feeders that lack muscles, neurons and other specialized tissues, were the first animal ...

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 ...

This video explores the Venus girdle, a comb jelly known for its stunning rainbow shimmer deep beneath the ocean’s surface. Viewers learn how tiny rows of beating cilia create waves of shifting color ...

Life depends on genes being switched on and off at exactly the right time. Even the simplest living organisms do this, but usually over short distances across the DNA sequence, with the on/off switch ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Late one summer ...

(CNN) — Late one summer night in 2023, Kei Jokura entered the marine biology lab at Woods Hole Oceanographic Institution in Massachusetts excitedly carrying a blob in a beaker. The biologist had just ...

(CNN) — Late one summer night in 2023, Kei Jokura entered the Marine Biological Laboratory in Woods Hole, Massachusetts, excitedly carrying a blob in a beaker. The biologist had just come from the ...