"As scientists, we recognize the special nature of the impact crater, but it was also recognized by ancient inhabitants of the area," a geologist said of the discovery at Vredefort.

Elevation data shows the lunar South Pole-Aitken Basin, the largest and oldest impact basin on the moon, in blue and purple.

New research in Sweden has uncovered perplexingly high methane emissions coming from the largest meteorite crater in Europe. The Siljan Ring is a prehistoric impact structure in central Sweden that ...

New research in Sweden has uncovered perplexingly high methane emissions coming from the largest meteorite crater in Europe. The Siljan Ring is a prehistoric impact structure in central Sweden ...