The Tri-State Tornado, which is still to this day the deadliest tornado in U.S. history, killed 695 people and injured 2,027 ...

Derechos are long-lived storms that cause extreme wind damage, sometimes lasting eight hours and traveling hundreds of miles.

We still don't know why tornados happen, but we're getting closer to finding answers — just as the Trump administration threatens to cut $1 billion in funding ...

It's always hot in the summer in the U.S. Southeast, but even by the standards of Florida and the Carolinas, the steamy heat ...

Dangerous heat, as well as the threat of severe weather, is expected to make a triumphant return to NYC. Here's what you can ...

A dramatic video recorded in South Dakota on Sunday shows a massive tornado spinning across the landscape during severe ...

Officials confirmed damage to an estimated 10-15 homes in Bay Ranch and 40-50 homes in Ranchero Village, ranging from minor to severe conditions.

The OTUS group flies special drones into tornadoes to measure meteorological data and better understand how twisters behave.