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 ...

The winner of the inaugural Natural Robotics Contest not only swims through the water like a real fish — it also helps combat pollution in the process. Created by University of Surrey chemistry ...

If you purchase an independently reviewed product or service through a link on our website, SheKnows may receive an affiliate commission. Does your pet need a pet? How about getting your cat a pet ...

Does your pet need a pet? How about getting your cat a pet fish? Sound like a truly terrible idea that will only end in horror? Not according to TikTok user Bre_an_muffin whose video of her three cats ...

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 ...