The rare type of cloud, whose name is Latin for "roughness," was first observed in 2006 by an amateur cloudspotter in Iowa.

Early risers in Texas saw something a little bit unusual earlier this week. A rare display of “meteor smoke clouds” — ...

Monday brought strange skies to the Coachella Valley, with unusual clouds — some evoking UFOs or otherworldly scenes from the film “Interstellar” — hovering over the San Jacinto mountains ...

I assumed it was a very strange kind of cloud." It's not every day you get to watch a rocket launch into a sky glowing with ...

A NASA observation satellite has imaged an oddly-shaped cloud hovering above the Strath-Taieri region in southeastern New Zealand. A satellite image shared by the space agency and taken on ...

Mysterious clouds spotted near Abbeville have left some of you wondering if aliens are invading Acadiana because those clouds ...

IT has been known to locals for more than a 100 years: a strange 'UFO cloud' that appears in the exact same spot over a mountain on New Zealand's South Island. Once it appears, it doesn't move.

Through a weird trick of physics, microplastics can lead to cloud formation and could affect weather and climate ...

Skies in parts of B.C. were darkened on Friday by striking cloud formations known as asperitas, with social media getting lit ...