Tornadoes can get extremely large, and that's terrifying. Watch this video to learn about the largest tornado ever known to have formed, the El Reno tornado in 2013.

The nation's longest "drought" for the most extreme type of tornado has come to an end, scientists from the National Weather Service announced. The tornado that ended the 12-year gap actually hit back ...

CHICAGO (WLS) -- The most recent tornado outbreak in Illinois was the biggest the state has seen in the month of December, according to the National Weather Service. At least 26 tornadoes formed ...

WASHINGTON (AP) — The most extreme tornado outbreaks are mysteriously spawning many more twisters than they did decades ago, a new study claimed. The once-every-five-years-or-so outbreak that might ...

Add Yahoo as a preferred source to see more of our stories on Google. The nation's longest "drought" for the most extreme type of tornado has come to an end, scientists from the National Weather ...