A reader in Moline wants to know about something he's heard referred to as ``UFO clouds.'' It might sound strange, but there is a well-known cloud formation, altocumulus lenticularis (meaning ``high, ...

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The formation, called altocumulus lenticularis, gathered on top of the spectacular Kamchatka Peninsula Get daily headlines and breaking news alerts for FREE by signing up to our newsletter We have ...

Captured on a crisp winter sky these dazzling clouds look nothing like their normal fluffy white counterpart. Known by experts as the Altocumulus Lenticularis, but dubbed the UFO cloud by many, this ...

In an image that is truly out of this world, these bizarre clouds hover over a mountain top, looking eerily like alien spaceships. The formation, called altocumulus lenticularis, gathered on top of ...