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.

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.

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

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, approximately half …

5 days ago · Oceans Combining western science with Indigenous knowledge could help the Arctic Polar marine ecologist Marianne Falardeau investigates how Arctic ecosystems are shifting under climate …

Jul 1, 2025 · Ocean circulation refers to the flow of water throughout the world's oceans, which acts as a fundamental driver of Earth's climate. This continuous movement redistributes heat, cycles essential …

Jan 31, 2022 · Researchers are using satellite data and machine learning to map microplastic concentrations across the ocean.

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 location …

Jul 1, 2025 · At the surface and beneath, currents, gyres and eddies physically shape the coasts and ocean bottom, and transport and mix energy, chemicals, within and among ocean basins.

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?