As astronauts prepare for south-polar landings, a new look at the Moon’s biggest crater points to a pivotal moment in lunar history—and to the rocks you’ll want sampled next. A study led by Jeffrey ...

Researchers from Shanghai and Guangzhou, China have discovered an impact crater. It sits on the side of a hill in Zhaoqing, Guangdong Province. They’ve given it the name Jinlin crater. The team ...

Add Yahoo as a preferred source to see more of our stories on Google. The Moon's largest impact feature, the South Pole–Aitken basin, is so named because it stretches between Aitken crater and the ...