The world has a more detailed map ... the surface of the sea. In the video, regions colored green are higher relative to purple-colored regions. Ships using sonar can also map abyssal hills ...

A newly-deployed satellite has created the most-detailed map yet of the ocean floor ... Changes in the sea surface height therefore point to what lies deep beneath the surface.

At a time when the mortality rate for distant maritime voyages was 50 percent, the Bible, legend, and lore gave birth to a sea full ... images detailed on the “Carta Marina”, a map from ...

Researchers have unveiled the most detailed map of ... rise," Pritchard said. The new map is color coded to show the height of Antarctica's bedrock above sea level, highlighting the continent's ...

The British Antarctic Survey (BAS) has released the most detailed map yet of what Antarctica looks ... which would cause global sea levels to rise 190 ft (58 m). Even odder, the ice cap weighs ...