After Assault From the Heavens, Russians Search for Clues and Count Blessings

EarthzineWould You Believe?

– Russians are still coming to terms with what NASA scientists say was a 7,000-ton chunk of space rock that hurtled out of the sky at 40,000 miles an hour, exploding over the Ural Mountains, spraying debris for miles around and, amazingly, killing no one.