An inventive UK woman made waves online — and in a fish tank — after outfitting a disabled goldfish with a customized life jacket so it wouldn’t sink. The fish’s fun-sized flotation device can be seen ...

Scientists have built a fish robot that swims like a real one, potentially allowing them to get up close and personal with underwater creatures without disturbing them. A silicone tail moves from side ...

How do fish swim? It is a simple question, but there is no simple answer. Researchers at Northwestern University have revealed some of the mechanical properties that allow fish to perform their ...