How fish survive the extreme pressures of life in the oceans

Dead fish breathes new life into the evolutionary origin of fins and limbs

NASA has awarded $600,000 in phase II funding to help scientists develop a mission concept that would see swarms of tiny swimming robots deployed into the subsurface oceans of moons like Europa and Enceladus.

Silurian Jawless Fish Possessed Paired Fins, New Fossils Show