We've had a lot of severe weather lately. Here's what we are most concerned about in the coming days.

Here is all you'd like to know about why supercells are so long-lived and dangerous.

Severe thunderstorms including hailstorms made for a messy Monday in the Washington, D.C., area.

Trillions of cicadas will emerge in May in the Midwest and Southeast, in a double-brood event that hasn’t happened in more than 200 years.

More than 4 million cases of the mosquito-borne virus, dengue, have been reported worldwide this year, and that number is only expected to get higher. See how you can protect yourself before jetting off for vacation this summer.