This map plots the number and locations ... according to a CNN analysis that counts them within a 25-mile hexagonal grid across the contiguous United States. In addition to property damage caused ...

WASHINGTON (CNN) -- Is it really so smart to forge ahead with the high technology, digitally based electricity distribution and transmission system known as the "Smart Grid"? Tests have shown that ...

More than 1,000 tornadoes sprout up across the US in the average year, causing billions of dollars in damage and killing scores of Americans. Track them here.