MANNINGTON, W.Va. (WBOY) — A Marion County resident saw a rainbow cloud over the weekend, even though it wasn’t raining.

Crystal clouds on a distant world may shimmer like sun dogs, hinting at exotic optics shaped by heat, wind, and starlight.

Drawing on 35 years of satellite observations, an international research team led by ETH Zurich found that mineral dust – ...

Dust particles from deserts promote ice formation in clouds. This discovery highlights the importance of aerosols for ...

The ice crystals induce freezing of some of the water droplets, which then fall from the cloud, leaving an almost perfectly circular hole.

Normally, clouds do not form in the stratosphere because it is too dry, but at these extremely low temperatures "widely-spaced water molecules begin to coalesce into tiny ice crystals" that form ...

Tuesday evening, if you happened to be looking up, you may have seen some rainbow-esqe clouds high in the sky.

Polar explorers of the 30th Antarctic expedition managed to see a beautiful and rare phenomenon - mother-of-pearl clouds.

Ice crystals plucked from clouds and quickly analyzed in flight show bits of biological material -- bacteria, spores and plants -- play a role in the formation of clouds, U.S. researchers said on ...

According to CBC, these clouds were first spotted in 1885, two years when the Krakatoa volcano erupted. Although it was initially thought that they would vanish owing to the eruption, they have ...