China has quietly confirmed that a vast circular scar in its northeast is not a volcanic basin or a quirk of erosion, but a colossal asteroid impact site that ranks as the largest known crater of its ...

Add Yahoo as a preferred source to see more of our stories on Google. Researchers have just discovered a giant crater 900m in diameter in southern China. Named the Jinlin crater, a new study confirms ...

Findings support kinetic impact technique for planetary defense.