An annual summertime bloom of cyanobacteria flourished in such numbers as to be visible from space.
Published Aug 23, 2015
City lights trace the coastlines, while moonlight illuminates the snow and clouds.
Published May 11, 2015
Nearly every summer, phytoplankton trace the sea’s currents, eddies, and flows.
Published Aug 19, 2020
In the southeastern corner of the Baltic Sea lies a skinny stretch of land. Known as the Curonian (or Courland) Spit, it separates the Curonian Lagoon (also known as the Courland Lagoon) from the Baltic Sea. Both the spit and the lagoon fall within the borders of Lithuania and Russia’s Kaliningrad Oblast.
Published Nov 2, 2007
This astronaut photo from April 9, 2009, shows the Dalmatian coastline of the Adriatic Sea around Split, Croatia.
Published May 4, 2009
Phytoplankton and blue-green algae blooms off of Scandinavia seem to be particularly intense this summer.
Published Jul 23, 2018
Freshened surface water and abundant nutrients lead to an explosion of algae in the inland sea.
Published May 31, 2015
Enough ice lines the coasts of Sweden and Finland in this natural-color image from March 5, 2010, that it is difficult to tell where the coast ends and the sea begins.
Published Mar 5, 2010
The waters that once protected Venice now threaten it. A complex engineering project is being installed to beat back the tide.
Published Mar 25, 2014
Phytoplankton are usually most abundant in this area when spring melting and runoff freshen the water and add nutrients just as sunlight is increasing.
Published May 8, 2018
Tucked between Siberia and Russia's frozen Kamchatka Peninsula, the Sea of Okhotsk was a field of ice in February 2007.
Published Feb 8, 2007
In these images captured by International Space Station astronauts on August 27, 2006, bright sunlight glinting off the western Caribbean Sea reveals intersecting wave patterns and oily surfactants on the surface waters around Bajo Nuevo Reef. Bajo Nuevo is a collection of small islets arranged into two U-shaped cays, low islands made of coral or sand. This pair of images shows the easternmost of the two cays (also known as “keys”) and surrounding waters.
Published Oct 2, 2006
Sunglint provides compelling light for the coastlines of northern Europe.
Published Jul 22, 2014
The Sea of Okhotsk is the lowest latitude area where sea ice forms each winter.
Published Jan 11, 2015
The play of sunlight on water gives definition to the jagged coastlines of Sardinia and Corsica.
Published Jun 14, 2020
The lowest spot on dry land, the Dead Sea depression sinks 400 meters (1,300 feet) below sea level.
Published Nov 12, 2006
