This is a global view to show the entirety of the South Pole-Aitken basin (SPA), the largest and oldest impact crater on the Moon. For geographic context, the letters label other big craters in ...

There’s ice in them thar craters. The south pole of the moon is home to permanently shadowed regions where ice has been accumulating for billions of years. This illumination map is based on data ...

The age of Mare Orientale could act like a lunar Rosetta stone for dating the age of the moon's other giant impact basins.