The post Kelvin-Helmholtz Clouds: The Sky’s Version of Ocean Waves appeared ... altocumulus, cumulus, stratus, and stratocumulus. But it's equally rare to find fluctus clouds in each one, ...

A note overlaid on the video says, "Never in my life have I seen a cloud so big it blocks the sunrise all the way across the sky." The clip has amassed 4 million views since it was first shared on ...

Blue skies and fluffy clouds as far as Sky View 21 can see! That's what our drone captured for your Moment of Zen this month.

SEATTLE — Seattle Art Museum's newest commission has visitors cloud gazing inside their lobby. The large-scale installation ...

From TED, Gavin Pretor-Pinney on nature's finest aerial architecture. Clouds are constantly moving and changing "Unless it's really wild, stormy weather, you look at the sky and you think, 'Oh, it ...

In this new series, Astronomy Editor Dave Eicher will be highlighting a different deep-sky object every day. Skip to content. ... Deep-Sky Dreams: The Cepheus Molecular Cloud.

By one estimate about a trillion trillion bacterial cells rise each year from the land and sea into the sky. By another estimate, 50 million tonnes of fungal spores become airborne in that same time.