An ultra-detailed map of the ocean floor uses gravity-based data collected by satellite. NASA and CNES launched the satellite to survey Earth’s surface water.

A newly-deployed satellite has created the most-detailed map yet of the ocean floor, finding hundreds of hills and underwater volcanoes that were previously missed. When you purchase through links ...

Baltic Sentry was launched "in response to damage to undersea cables connecting Estonia and Finland on Dec. 25, and follows a declaration of solidarity by Allies with the two countries on Dec. 30 ...

A 2024 study said sea surface and sea floor temperatures have increased by 1.8°C and 1.3°C in the Finnish archipelago in the northern Baltic Sea, in the period from 1927 to 2020.