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Explosive thunderstorm development can bring tornadoes to northern Texas and southwestern Oklahoma late Thursday. more >
Severe Storms Threaten DC to New York Thursday
Map: Current Severe Weather Warnings
WATCH: Timelapse of Iconic Jet Star Coaster Dismantling
Timelapse powered by Google could help scientists with climate change research.
If an extreme solar storm aimed at the Earth hits in just the right way, it could put interconnected electrical grids around the world at serious risk, experts say.