Segmented hinges in the long, thin bones of fish fins are critical to the incredible mechanical properties of fins, and this design could inspire improved underwater propulsion systems, new robotic ...

In the Pacific Northwest, young salmon must dodge predatory birds, sea lions and more in their perilous trek toward the ocean. Hydroelectric dams don't make the trip any easier, with their manmade ...

From conventional freshwater to tropical saltwater species, fish can be a fun way to add some life to your living room - but with these cool aquariums, you might find yourself staring at the unique ...