White and red tube worms reach up from the deep sea floor.

The Seafloor

A map of the Mid Ocean Ridge

Mapping the Seafloor

Learn about one scientist's pursuit of creating one of the first maps of the seafloor. 

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Are You An Educator?

At Smithsonian Ocean, we have lesson plans, activities, and resources to help you engage your students in the wonders of our oceans.
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The Seafloor Articles

How the Ocean Floor Helped Seal the Deal for Plate Tectonics

A multi-colored map of the mid-Atlantic ride made from satellite imagery.