Mysterious, motionless clouds often mistaken for UFOs are actually lenticular clouds, a well-understood meteorological phenomenon. These smooth, lens-shaped formations are created by stable air ...

Lenticular clouds are lens-shaped clouds that tend to form over mountains or any other obstacle that forces air upward in a stable air mass.

Painting clouds in digital art presents some particular challenges, and most artists will come up against them at some point. For landscape, environment and concept art, the sky will often be a major ...