A lenticular cloud is a lens-shaped cloud that normally develops on the downwind side of a mountain or mountain range. This occurs when stable, moist air flows over a mountain, creating a series ...

A double lenticular ... Francisco studied photography and went on to work as a freelance photojournalist for various newspapers and international agencies in his home country. Four years ago, he began ...

A rare cloud formation, that creates an optical illusion tricking viewers into thinking it looks like a UFO, has been seen in Turkey. The wave-like pattern is known as a lenticular cloud.