Despite the number of tornadoes increasing in the U.S., it’s been over 11 years since the last EF5 was recorded. But does that mean the most violent tornadoes are disappearing? A new study gets ...

Eleven years after a tornado devastated Moore, Okla., it remains the most recent tornado to be rated EF5, the strongest possible rating. The 11-year gap is the longest since official U.S. records ...

An EF5 tornado is one of the most catastrophic weather events on Earth. Monsterous twisters of this magnitude can destroy entire neighborhoods in the blink of an eye, grow to be more than a mile ...