Whales are a group of mammals that live in oceans. They include some of the largest animals on Earth. The blue whale is the ...

Did you know octopuses are highly intelligent animals with the ability to problem-solve complex puzzles – and even change ...

Plankton are a collection of tiny organisms that live at and beneath the surface of lakes, rivers, ponds, and oceans across the planet. They’re named for the Greek word planktos, meaning to ...

What is a hermit crab? There are over 800 species of hermit crabs worldwide, and almost all are ocean dwellers—though people are likely most familiar with the dozen semi-terrestrial species ...

Like humans, dogs, monkeys and other furry land animals, dolphins are mammals. This means they are warm-blooded and stay cozy in the ocean water thanks to a layer of fat called blubber. Along with ...