A storm scientist explains what’s been driving deadly tornado outbreaks and how tornado season has been changing.

A deadly severe weather outbreak spawned at least one tornado in 22 states from May 15-21. Among the hardest-hit states were ...

The Badger State has already had two tornado outbreaks this year, and we still haven't even reached the end of May.

Science can help. Anywhere in the out of doors there is opportunity for real fun with science. In this issue, we describe ...

It's getting more common for a lot of tornadoes to form over a big area in a short period of time. But the total number of ...

The EF-3 twister was part of a massive outbreak sequence on May 18 that also spawned tornadoes in Kentucky, killing at least 19 people in that state and leveling the small town of London, about 80 ...

Ferocious outbreaks in March and April led to hundreds of tornadoes, along with dozens of deaths. As of May 6, the Storm Prediction Center has logged 724 preliminary tornado reports nationwide ...