Add Yahoo as a preferred source to see more of our stories on Google. Low-level cumulus clouds appear to trace portions of Houston's freeway network in this satellite image from Tuesday morning.

Explore rare cloud formations and unusual sky patterns created by unique weather conditions. This video captures fascinating natural cloud shapes and the beauty of atmospheric phenomena.

A study led by the EPFL suggests that shipping emissions influence climate-relevant cloud formation and may affect regional climate processes far beyond the polar region. Over the last few decades, ...