It might seem strange to have tornadoes in winter, but it's actually quite normal, experts say.
Cold waves and heat waves can tweak the way we make up our minds about climate change, say researchers who are uncovering the roots of our wishy-washy opinions.
The trail of twisted metal and torn roofs left behind by massive twisters is growing longer and wider, a sign that tornadoes may be growing stronger.
Unusual November tornadoes left a trail of destruction across 12 Midwest states on Sunday, killing at least six people.
The tornado outbreak was caused by a clash of cold, dry air from the north and warm, moist air from the Gulf of Mexico.
Tim Samaras, his son Paul Samaras and Carl Young were among nine people killed Friday during a tornado that tore through El Reno, Okla. Continue reading →
Local residents count the cost after a deadly tornado flattened huge areas of Oklahoma City's suburbs on May 20, 2013.
The Super Outbreak of tornadoes that struck the Southeast U.S. on April 27, 2011, set a new distance record for tornado debris, with the furthest items thrown flying to the right of the tornado track. ->
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