Those who've wondered what lurks in the dark depths of the ocean have a new answer. Scientists working off the coast of Japan say they've managed to capture images of the deepest-swimming fish ever ...

Groups of fish give a schooling to solitary travelers--they expend 79 percent less energy. By Laura Baisas Published Jun 6, 2024 2:00 PM EDT Deposit Photos Get the Popular Science daily newsletter💡 ...

When BLUE is swimming, the multimodal fins flap up and down, just like the pectoral fins of a fish. The lateral fins can also kick in as needed for finer maneuvers, moving in an undulating fashion ...