Next time you take a dip in the sea or a paddle in a river, think about what's lurking under the water's surface. Some of the deadliest wildlife on the planet make the oceans and wetlands their home.

Ever gone swimming in Rhode Island and wondered what creatures might be wading with you? As the water warms up and the air temperature grows hotter, locals and visitors flock to the shores to cool off ...

In most narratives, the story of evolution is the story of organisms emerging from the ocean and eventually populating the ...

A team of Stanford researchers have created a tiny "hydrodynamic treadmill," essentially an endless loop of water, to closely observe the behavior of marine microorganisms. "It opens scientific ...

Fish in a tree? How can that be? For some aquatic creatures, it's not necessarily bad to be a fish out of water. Hosted by: Rose Bear Don't Walk SciShow has a spinoff podcast! It's called SciShow ...