Researches found little evidence that tornadoes were getting weaker. Instead, it appears that a subjective tornado grading system is to blame.

A monster storm system carrying a high risk tornado threat is barreling through the Southeast after unleashing deadly ...

It was the deadliest tornado of 2011 and has become known as the deadliest tornado in Missouri history. The natural disaster ...

At least five people have been killed in a monster storm sweeping across much of the U.S. At least two people were killed in ...

Violent tornadoes in parts of the U.S. proved deadly and whipping winds moved east into the Mississippi Valley and Deep South ...

At least five people have been killed in a monster storm sweeping across much of the United States, including two deaths following a tornado in Missouri.

On March 3, 1966, 59 years ago today, an F5 tornado tore a 202-mile long path across central and eastern Mississippi into western Alabama. Of the 58 people killed by the twister, 57 were in ...

Violent tornadoes that ripped through parts of the U.S. proved deadly as well as destructive as whipping winds moved east ...

At least five people have been killed in a monster storm sweeping across much of the U.S. At least two people were killed in ...