By BRUCE SHIPKOWSKI, JULIE WALKER and REBECCA REYNOLDS Violent tornadoes ripped through parts of the U.S., wiping out schools ...

Scientists said the storm's strength and potential for far-reaching impacts is notable, but its timing isn't unusual.

Violent tornadoes that ripped through parts of the U.S. proved deadly as well as destructive Saturday as storms moved east into the Mississippi Valley and Deep South, with at least 17 people dead.

The National Weather Service's Storm Prediction Center warned of "near historic" fire conditions in the Plains.

At least 17 people have been killed in a monster storm sweeping across much of the U.S. Ten people were killed in Missouri ...