From rugged mountains and powdery white beaches to roaring waterfalls, Croatia's landscape is incredibly diverse. Situated ...

New research shows that when an asteroid slammed into the moon billions of years ago, it carved out a pair of grand canyons on the lunar far side. That’s good news for scientists and NASA, which is ...

and binary arrays of 25 km EASE-Gridded permafrost regions and classifications. The maps delineate three major geographic areas divided into regions and subregions based on geographic and climatic ...