These record water levels may not be the end of the story for California’s coastal communities. NOAA predicts above-normal high tides will occur from November 22-27, 2026, and December 22-26, 2026, ...
Members of NOAA’s National Ocean Service, NOAA’s National Geodetic Survey, NOAA Communications and the NOAA Studio Team stand with a ceremonial survey mark in front of the Mount Rushmore National ...
A satellite image of Lake Erie from Aug. 10, 2014, showing green discoloration in the water due to a large harmful algal bloom (HAB). NOAA scientists continue to issue timely forecasts to aid in the ...
While the Earth appears to be round when viewed from the vantage point of space, it is actually closer to an ellipsoid. However, even an ellipsoid does not adequately describe the Earth’s unique and ...
Reef-building corals cannot tolerate water temperatures below 64° Fahrenheit (18° Celsius). Many grow optimally in water temperatures between 73° and 84° Fahrenheit (23°–29°Celsius), but some can ...
Many serious coral reef ecosystem stressors originate from land-based sources, most notably toxicants, sediments, and nutrients. As human population and development expands in coastal areas, the ...
An AUV operates independently from the ship and has no connecting cables, whereas ROVs are connected to an operator on the ship. It appears that your browser doesn't support HTML5 video. Here's a ...
Invasive species can harm both the natural resources in an ecosystem as well as threaten human use of these resources. An invasive species can be introduced to a new area via the ballast water of ...
The Portuguese man o’ war is recognized by its balloon-like float, which may be blue, violet, or pink and rises up to six inches above the water line. Image credit: Elizabeth Condon, National Science ...
Scientific studies of elkhorn coral (Acropora palmata) in the Caribbean and off the coast of Florida show that coral genotypes can survive longer than expected. Genotype refers to the genetic makeup ...
Throughout history, the shape of the Earth has been debated by scientists and philosophers. By 500 B.C. most scholars thought the Earth was completely spherical. The Greek philosopher Aristotle ...
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