We haven’t figured out exactly what gives them their shape, determines altitude – or makes them rain when they do. But ...

NASA spotted a circle of clouds over the Pacific Ocean, and the image is still breathtaking over 10 years later.

UFOs have struck over Hawaii; at least that was what seemed to be happening when observers at the W.M. Keck Observatory near Mauna Kea in Hawaii spotted UFO-shaped clouds breezing through the sky.

How Are Clouds’ Shapes Made? Explore the diverse world of cloud formations, from ground-level fog to high-flying cirrus ...

Bhopal: While some clouds hanging over the city skyline ... the meteorological dept stated there would be partly cloudy sky. Day and night temperature would be respectively 36 degrees celsius ...