The edge of the Hiawatha glacier in northwestern Greenland, hiding the asteroid’s impact crater under its ice masses. Photo: Pierre Beck Beneath Greenland’s ice sheet lies the huge Hiawatha crater, caused by the impact of the asteroid of the same name....
Scientists have evidence that an asteroid exploded over Antarctica 430,000 years ago. In the process, microparticles rained down on the ice. A team of Belgian researchers has found new evidence that a large asteroid exploded just above Antarctica’s ice sheet...