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.

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 ...

Twenty years ago, one of the largest tornado outbreaks ever recorded in the month of January hit several communities in Kentucky. Watch 2006 footage of the WLKY area damage in the video player ...