First-ever comprehensive geologic map of the moon Date: April 22, 2020 Source: US Geological Survey Summary: For the first time, the entire lunar surface has been completely mapped and uniformly ...

USGS It took 16 years and data from four orbiting spacecraft to assemble, but the U.S. Geological Survey's new map of Mars is awesome.

Drawing on more than 750 sources and featuring hundreds of pages of supplemental material, a new map of Alaska's surface geology was a two-decade labor of love.