Amazing video helps explain the "derecho" event that knocked out power to millions and killed about two dozen on June 29.
Media outlets nationwide are talking about the heat wave & severe thunderstorms. Here's some coverage we're reading.
All-time record temperatures were set in Southeast, while millions were still without power after Friday's severe weather.
Record heat in the West and High Plains is aggravating tinderbox conditions, and is moving to the Midwest and Mid-Atlantic.
Research shows that heavy rains like what occurred this week in Duluth, Minnesota are becoming more likely to occur.
April was cooler than March in parts of the Northeast, an unprecedented occurrence in some cities.
The sap flow from the maple trees is governed by alternate freezing and thawing patterns in the late winter.
The lack of ice on Lake Superior this winter puts the average decline in ice coverage over the past 40 winters at 79 percent.