An invention born from a contest at England's University of Surrey might be swimming us closer to cleaner oceans. Researchers have created a robotic fish that doesn’t just collect plastic pollution; ...

Imagine if there were a robotic fish that filtered microplastic particles out of the water as it swam. Well, now there is one, and it's the physical version of the winning concept in the first-ever ...

Some fish are almost impossible for scientists to observe: the Greenland shark, which can live for more than 400 years, was caught on camera for the first time this month. Tracking marine animal can ...