A viral video making the rounds on social media shows beachgoers in Portugal encountering an enormous and unnervingly tsunami-like cloud rolling in. Footage shows an enormous, foreboding wall of dark ...

Add Yahoo as a preferred source to see more of our stories on Google. Portugal like much of Europe has been experiencing a heat wave in recent days, but another rare weather phenomenon also gripped ...

If you've looked up over Houston lately and noticed bright rainbow-like patches near the sun, fish-scale patterns rippling ...

A rare phenomenon called a "roll cloud" covered Portugal beaches on Sunday, June 29 The tsunami-like formation shocked beachgoers, many of whom filmed the moment Scientists say the cloud was caused by ...

A picture of a cloud formation in Virginia that resembles rolling waves is going viral. Weather experts say this type of cloud formation, which was spotted in over Smith Mountain Lake near Roanoke, is ...

MISSOULA, Mont. — Early Tuesday morning, a delicate, wispy cloud type rarely seen formed over western Montana, lighting up the pre-dawn sky. They were visible looking north from the NBC Montana ...

If you’ve ever looked up and seen the sky rippling like a stormy sea, you may have witnessed one of the most dramatic and rare cloud formations in the atmosphere: asperitas clouds. With their dark, ...

Mysterious and unusual shaped clouds have been spotted in the skies in north Wales. The quirky-shaped clouds have been described as looking like flying saucers, pancakes, lentils and have even been ...

Amy Noelle Love was driving on highway 60 just east of Rogersville on Sunday when she noticed something different about a cloud. She couldn’t help but take a few pictures and ask the weather team at ...