The sea can be a dark and scary place, where survival often depends on not being alone. In the vast, open water, fish rarely swim solo. Instead, they aggregate into schools or shoals as a strategy to ...

How can some fish, like tuna, achieve remarkable speed while others, like eels, excel in maneuverability? A research team ...

Scientists have built a school of robotic fish powered by human heart cells. The fish, which swim on their own, show how lab-grown heart tissue can be designed to maintain a rhythmic beat indefinitely ...