An aquarium can really add a touch of class to a home or business, particularly if it's got some fancy fish in it – but such fish can be very hard to keep. So, why not just buy a weirdly lifelike ...

What was once an idea submitted by a student for a university contest is now a working — or rather, swimming — prototype that could one day help clean the world's polluted waters. The robo-fish design ...

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; ...

A 13mm-long black fish silently patrols the ocean, not to feed or predate, but to clean. Soft and squishy to touch, the flesh of this fish is made of the same material as pearls are made of. As it ...