Cloud genera are divided into species to account for their particular shape and internal structure. Certain species only ...

Fall weather makes a 'castle in the sky' in Fukui Prefecture appear to sit atop a sea of clouds. Ciara Brown Published: October 20, 2015 at 5:32 AM Tags: News, National ...

Keep in mind, Kelvin-Helmholtz clouds are a type of formation, not type of clouds on their own. They tend to appear on these five cloud types: cirrus, altocumulus, cumulus, stratus, and stratocumulus.

Built in 1580 by the daimyo Kanamori Nagachika - one of the great lords who were vassals of the shogun - the Echizen Ono Castle earned its nickname due to the clouds seen here.

NASA's Earth Observatory, which released the photo Jan. 15, called the cloud column in the astronaut photo a "cumulus castellanus," to describe the castle-esque look of the fluffy, cotton ball ...