Experts have been working on mapping the ocean floor with traditional methods, sending ships across the water with sonar ...

The Estonian state wants to reach an agreement with its eastern neighbor, the Russian Federation, on navigation buoys placed ...

NASA’s new video is also just fun to watch. The animation shows what the seafloor looks like off the coasts of Mexico, South ...

A Newsweek map shows where Ukraine's four nuclear plants are located, some of which U.S. President Donald Trump has said he wants America to help run. Trump said he thinks the U.S. could "very helpful ...

The allied militaries did not specify where within the Arctic Circle the exercise took place, but the area is home to Russian ...