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

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 ...

The dark, tsunami-like cloud formation billowed across parts of Portugal’s northern and central coasts, as the country set a ...

A rare roll cloud was seen passing over several beaches in Portugal on Sunday, June 29. The phenomenon features a cloud that ...

These are the countries with extreme heat warnings in place right now. Plus, what travel insurance does and doesn't cover.

A rare roll cloud appeared over Portugal’s coast, surprising beachgoers as strong winds hit during an ongoing extreme ...

A rare and stunning roll cloud formation captivated beachgoers in Portugal, resembling a massive horizontal wave. The unusual atmospheric phenomenon, ...

It resembles a giant wave rolling across the sky. Read more at straitstimes.com. Read more at straitstimes.com.

Mediterranean countries have been sweltering in a heatwave for several days, prompting health warnings and alerts about ...