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

CBC science specialist Darius Mahdavi confirmed the asperitas cloud, saying, "I've only properly seen them once before....but ...

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

You may have looked up at the sky this past weekend and noticed some very strange-looking clouds. They almost look as if the cloud is “falling” toward the ground, and you may even notice a few ...

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 ...

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

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 ...

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 ...