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.

Add Yahoo as a preferred source to see more of our stories on Google. Less than two weeks after North Carolina experienced one of its biggest tornado outbreaks in history on April 16, 2011, an even ...

WICHITA, Kan. (KWCH) - Monday marks 19 years since one of the largest tornadoes in Kansas history devastated a Kiowa County community, damaging or destroying about 95% of the city of Greensburg. On ...