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.

David Bressan is a geologist who covers curiosities about Earth. For geologists ... a new geological map using a combination of rock samples recovered from the sea and geophysical mapping methods.

The German space agency (DLR) has released a spectacular 3D map of Earth. Built from images acquired by two radar satellites, it traces the variations in height across all land surfaces - an area ...