Graphic images of utter devastation from the EF-5 tornado that slammed into Moore, Okla., are a stark reminder of the power of cyclonic storms in the Great Plains to destroy virtually all above-ground ...

This photo shows the upper part of the water tornado model. The acrylic glas tank has a diameter of 50 centimetres and is illuminated with LED strips. The water forms a vortex whose surface shape ...

NEWPORT NEWS -- The Jefferson Lab will test its tornado warning siren Friday morning. Anyone living within a mile and a half of the lab may hear the sirens around 10:30 a.m. The lab uses the sirens to ...