Earth smacked by an asteroid 19-miles-wide thousands of years ago: 'It rocked the Northern Hemisphere'
November 15, 2018 at 12:37 PM EST
An enormous crater, measuring 19 miles in diameter, has been officially found in Greenland, hidden under the ice. The find was likely caused by an asteroid that hit the Earth "less than 3 million years ago," and is said to have "rocked the Northern Hemisphere."