Water Science
Water is all around us. 70% of Earth is water. It impacts fisheries, water cycles, weather, and shipping routes. Learn about our freshwater and oceans.
Freshwater
10 Longest Rivers in the United States
Rivers are the lifeblood of the United States, weaving through each and every state. Among them, ten rivers stand out for their lengths.
Oceans
What’s the Difference Between Oceans and Seas?
While oceans are deep and open, seas are closer to coasts and can be thought of as parts of oceans. There are 5 oceans and over 50 seas.