An optical illusion is a picture or scene that tricks the eyes and brain. It makes you see something that is not really there ...

A green sky during a thunderstorm is an unsettling sight, but it doesn’t always signal a tornado. Here's why.

A huge tornado touched near the town of Clear Lake, South Dakota, on Saturday, June 28, dramatic footage shows. Video ...

Tornadoes created haunting sights across the night skies as severe thunderstorms swept through the Bismarck area in North ...

The tornado cut a 29-mile path, 300 yards wide between 9:52 p.m. and 10:20 p.m., according to the NWS.

A tornado emergency has been issued for parts of northern Alabama as a large and destructive tornado tears through the area - with residents being told to seek shelter immediately.

Incredible footage captures moment a huge tornado touched down in rural South Dakota A storm chaser captured the moment a huge tornado touched down near the town of Clear Lake, So ...