Lenticular clouds, like the ones shown in these photos taken in Elkins on Sunday, April 14, are formed when fast-moving air is forced over a hill or mountain. Although the air in the clouds is ...

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 ...

Or rather, their doppelgangers. Check out these stunning photos several Keckies took of flying saucer-shaped lenticular clouds hovering near Maunakea and Mauna Loa. Did you see them too?

Lenticular clouds are elliptical—on Earth as they are ... The crispy brown lines of dust seen in the image probably took shape due to the merger, according to a NASA release.

In recognition of the high standard of entries, 25 extra images were selected by the Natural History Museum and put to the public vote. A double lenticular cloud is illuminated at nightfall by the ...