Earth Science
Why Is the Ocean Salty? The Science of Seawater
The rivers that feed the ocean run fresh, yet the sea is salty. Here is where all that salt comes from, how much there is, and why it keeps piling up.
24 Sep, 2026
The rivers that feed the ocean run fresh, yet the sea is salty. Here is where all that salt comes from, how much there is, and why it keeps piling up.