For the fourth year in a row, NASA's Curiosity rover has photographed iridescent clouds drifting across the Martian sky. The clouds ... to condense into colorful, wispy clouds.

A 2014 satellite image captured a rare glimpse of a massive, eerily circular ring of clouds that formed slap-bang in the ...

You know that beautiful, clear blue sky over Rochester? It’s always a welcome sight—when it happens. But have you ever noticed the thin white streaks that sometimes crisscross the sky? Many people ...

You have airy, wispy cirrus clouds high up in the sky ... One moment the sky might be clear, and the next moment it's full of fluffy formations stretching across the horizon.

Different cloud shapes play different roles in climate moderation. “Cirrus clouds — high, wispy clouds visible in the distant atmosphere on relatively clear days — absorb and trap more ...

It’s quiet along the Rim Rock Trail on Black Canyon’s South Rim. The soft light of sunrise plays with wispy clouds that dance ...

Cloud cells are normally hexagonal and usually appear alongside other cells of the same type, creating noticeable patterns in the sky. Open-cell clouds often form wispy honeycomb-like lattices ...