Altocumulus clouds act as a visual cue for a changing weather pattern. These are the types of clouds that appear ahead of a strong cold front and are a common sight. They indicate the presence of ...

Nacreous clouds are one of the few types of iridescent clouds. NOAA. Maciel’s favorite cloud looks a bit like a cirrus cloud, but is actually something quite different.

Different types of clouds have different effects on a person’s viewing experience. When the moon completely covers the sun April 8, it will be the first total eclipse in North Texas since 1878.

The World Meteorological Organization has a cloud atlas that documents all known and accepted types of clouds. The atlas exists so we all understand what’s meant by “cumulus,” or “stratus.” ...

Nacreous clouds also known as polar stratospheric clouds have been appearing across northern skies. We've rounded up some of the best photos of these rare 'rainbow clouds'.