These artificial clouds are produced by releasing chemical ... Far from being a covert operation, these experiments are ...

Puffy to wispy, barely there or dark and menacing, clouds come in many shapes and sizes. Each tells a story about what’s going on in the atmosphere.

Clouds made up entirely of ice are usually more transparent. In some cases ... You might have looked up at the sky and noticed one layer of clouds moving in a different direction from another.

A woman in Calgary, Alberta, Canada, saw a strange, wavy cloud in the sky on Feb. 22 ... While these wave clouds typically form in clear conditions, as Wilkie saw in Calgary, they can also ...

Still, a veil of high clouds is often thin and transparent, meaning many aspects ... according to Space.com columnist Joe Rao. "If your sky is covered with mid-to-high-level clouds—cirrostratus ...

TAKAHASHI, Okayama Prefecture--A university lab is providing artificial intelligence-based probabilities on whether a sea of clouds will form around the “mountain castle in the sky” here.

DID you see these weird clouds in the York sky this morning? Members of our Press Camera Club took to Facebook to share the unusual cloud formations which appeared above York today. Keen ...