In the vast blue of the world’s oceans, a creature no bigger than the tip of a pinky finger is rewriting what we understand about life, aging, and survival. Called Turritopsis dohrnii, this tiny ...

The figure shows the life cycle of the moon jellyfish from larva to adult medusa. Scientists at Kiel University have now identified key mechanisms that regulate this complex metamorphosis. Credit: ...

In 1991, a group of scientists gathered at Blanes, a Spanish town bordering the Mediterranean Sea, for a workshop conducted by The Hydrozoan Society. A major focus of discussion at the meeting was ...