Picture the vast expanse of ocean you've seen in postcards or vacation photos - that brilliant blue stretching endlessly toward the horizon. Yet something profound is happening beneath those familiar ...

This secretive native of both sides of the Caribbean—from Belize to the British Virgin Islands—hides out on ledges and in caves of reefs up to 140 feet below the surface of the sea. Although not being ...

To track the changes in ocean color, scientists analyzed measurements of ocean color taken by the Moderate Resolution Imaging Spectroradiometer (MODIS) aboard the Aqua satellite, which has been ...