Why it's incredible: Evidence suggests it could be the greatest known impact crater on Earth. The Wilkes Land crater is a hole in the bedrock beneath East Antarctica's ice sheet measuring 315 miles ...
BANGKOK, Thailand — A massive crater in Antarctica may have been caused by a meteor that wiped out more than 90 percent of the species on Earth 250 million years ago, a geologist said. The ...
Deep beneath the ice of East Antarctica’s Wilkes Land, scientists have identified a vast gravitational anomaly that could mark the site of one of the most dramatic collisions in Earth’s history. What ...