Explore how the ocean shapes life on Earth. It sustains us, surprises us, and holds mysteries we're only beginning to understand. Dive into key topics here.

Without the ocean, life as we know it wouldn't be possible. There are a number of key reasons why. First, the ocean is the largest source of oxygen on Earth. According to scientists, …

Discover the Ocean Learning Hub—your gateway to trusted ocean science content. Easily explore by topic, media type, grade level, and educational standards.

Jan 24, 2023 · Ocean acidification is a reduction in the pH of the ocean over an extended period of time, caused primarily by an increase of carbon dioxide from the atmosphere.

Why is the ocean blue? People have wondered this for hundreds of years. One idea is that it reflects the sky. And it does-on the surface. From the coast, it may appear a deep blue on a …

A trip to the ocean means sun, wind, and waves. Surfers ride them. Children play in them. Swimmers dive beneath them. But what causes waves?

Nov 6, 2025 · Every drop of ocean water holds living things. Across Earth's history, the ocean has nurtured nearly every form of life that has ever existed. Immerse yourself in the diverse …

Nov 14, 2024 · The ocean, however, is a non-linear and chaotic system, meaning nothing scales in a straight line, and even small perturbations in a current’s temperature, salinity, strength, or …

What happens in the ocean as a hurricane passes over? Hurricane Florence. (courtesy NASA) Hurricanes are the most powerful storms on the planet, spanning hundreds of miles …

Dec 19, 2024 · The ocean water column is made up of five zones: the sunlight (epipelagic), twilight (mesopelagic), midnight (bathypelagic), abyssal (abyssopelagic) and hadal zones …