The Basic Building Blocks Every Cloud Needs Clouds need two essential ingredients to form, and both must be present ...

Cloud shapes arise from how air moves and mixes at different heights. When air rises, it cools. If it cools to its dew point, water vapour condenses into droplets or ice, forming a cloud.

There are a couple of different ways that cloud inversions can produce optical effects, explains one of our readers ...

Researchers uncover how the surface structure of silver iodide at the atomic scale triggers ice formation in clouds, ...

Contrails in the blue sky remind us of daily air traffic—and its impact on the climate. However, the effect of contrails on ...

If you've ever looked up at the sky and seen an airliner flying overhead, you may have noticed white trails behind it.

A quick-moving storm system will move through New Hampshire in the middle of the weekend, bringing rain, wintry mix and snow.

Long ago, before galaxies formed into shapes we are familiar with today and before planets formed, the earliest stars ignited the young cosmic clouds. If you stood inside one of those ancient ...

The New Jersey Botanical Garden sits within Ringwood State Park, tucked away in the Ramapo Mountains like a well-kept secret that locals have been trying not to share with the rest of us. And can you ...

Snow is the classic of any winter precipitation and forms when temperatures are at or below freezing in the cloud and at to ...

"Very surreal, rare asperitas clouds flowing above Beinn Chlachach, Arnisdale, in the wild weather after Storm Amy," said BBC Weather Watcher Martainn. Last weekend's Storm Amy caused power cuts, ...