A “roll cloud” spotted off the coast of Portugal looked like something out of a movie. Here’s the science behind it.

Felt like a tsunami out of a movie!” Beachgoers flee in Praia de Buarcos, as ominous cloud formation consumes the shore.

The rare arcus cloud, which is very similar to a tsunami, was seen by beachgoers who looked on as the sky turned dark and ...

People enjoying the sunshine at a beach were shocked when they witnessed a rare 'tsunami roll' that looked like it was 'out ...

Seventeen of the 27 major cities in Italy have experienced a heatwave this week, including Milan, Rome and Trento in the ...