New cooperative agreements will enable U.S. IOOS regional associations to operate regional coastal observing systems throughout U.S. waters.

Scientists have suspected for a while that Greenland sharks lived extremely long lives, but they didn’t have a way to determine how long. The age of other shark species can be estimated by counting ...

NOAA's High Seas Forecasts are marine weather forecasts prepared for mariners and transmitted around the world in real- and near-real-time. Note: the above map i Seafaring can be very dangerous for ...

The largest estuary in North America, the Chesapeake Bay Watershed covers 64,000 square miles and includes more than 150 rivers and streams that drain into the Bay. More than 300 species of fish, ...

Water temperature and pressure determine how far sound travels in the ocean. While sound moves at a much faster speed in the water than in air, the distance that sound waves travel is primarily ...

Several thousand marine scientists are busy at work in the United States dealing with a diversity of important issues — from climate change, declining fisheries, and eroding coastlines, to the ...

Cigarette butts continue to rank among the most common types of marine debris found. The Ocean Conservancy’s 2018 International Coastal Cleanup Report stated that 2,412,151 cigarette butts were ...

The CHALLENGER at St. Paul’s Rocks. In The Voyage of the CHALLENGER - The Atlantic Vol I, by Sir C. Wyville Thomson, 1878. Archival Photography by Steve Nicklas, NOS, NGS. Courtesy NOAA “The Gallant ...

Hurricane Laura rapidly strengthened on August 26 in the Gulf of Mexico. By the time Laura reached southwest Louisiana early on August 27, maximum sustained winds reached 150 mph. This part of the ...

Satellite photograph of the Great Barrier Reef situated off the northeastern coast of Australia. Stretching for 1,429 miles over an area of approximately 133,000 square miles , the Great Barrier Reef ...

Using the Global Positioning System (GPS), every point on Earth can be given its own unique address—its latitude, longitude, and height. The U.S. Department of Defense developed GPS satellites as a ...

Scientists are testing how fast soil is building up in this marsh on Maryland's Eastern Shore. Recording this data over time in a variety of marshes around Chesapeake Bay may yield new insights about ...