Ocean Topics
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. Click on advanced search to customize your results by grade, subject, and educational standards. The ocean plays a central role in global climate and regional weather patterns, including droughts, rainstorms, and hurricanes. Ocean Learning Hub
What to know about the extreme U.S. flooding — and ways to stay safe An oceanographer explains how climate change, warming oceans and a souped-up atmosphere are creating conditions for deadly. The future of a time-honored fishing tradition in Vietnam, through the eyes of award-winning photographer Thien Nguyen Noc. As storms stall liftoff, Europa Clipper Mission Team member Elizabeth Spiers patiently awaits the biggest mission of her life. Why is the ocean blue?
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. Click on advanced search to customize your results by grade, subject, and educational standards. Without the ocean, life as we know it wouldn't be possible. 
Why is the ocean vital for our survival?
Discover the Ocean Learning Hub—your gateway to trusted ocean science content. Easily explore by topic, media type, grade level, and educational standards. This white shark is chomping down on a new type of bite-resistant wetsuit material near Neptune Island Group Marine Park in South Australia. By weaving Kevlar or polyethylene nanofibers into standard neoprene in wetsuits, researchers found ways to limit injury during rare encounters with sharks.
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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 of the planet's oxygen production originates from the sea. Most of this oxygen is created in the top meters ( feet) of the ocean's surface. Within this depth, sunlight penetrates. Click on advanced search to customize your results by grade, subject, and educational standards. Why is the ocean blue? 
Ocean Acidification
NASA's Ocean Color Level 3 and 4 Browser allows users to view, download, or order global composites at various spatial and temporal scales (level 3) or get results from analyses of lower-level data (level 4). .
Oceans
Understanding how the ocean works is foundational to understanding life on this planet and to the discipline of oceanography. Get to know the big systems of the ocean: its cycles, circulation, zones, and connection to the atmosphere. Learn about ocean chemistry, life and landscapes on the seafloor, plate movements, shorelines, and icy regions. . 
Oceanus Magazine
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 sunny day. Or gray when it's stormy. Or even turn a brilliant pink during sunrise or sunset. But if we sink below the surface, the blue color remains. Here, the water isn't reflecting the sky. The blue hue is. .