Why Clouds Stratify in the Sky. Have you ever looked up at the sky and noticed how clouds often form in distinct layers, with some huddled close to the ground while others seem to float high above?

Above the Earth's clouds, the aerobiome ebbs into the unknown. In 1935, ... They captured bacteria and fungal spores from the black sky 12 miles above Earth's surface.

What if clouds weren’t just water vapor—but floating worlds of life? :cloud_with_lightning::microbe: From bacteria that eat cloud droplets to fungi blasting spores into the sky, scientists are ...

Clouds play an important role in regulating the climate. Bright ones at low altitudes generally reflect solar energy away, ...

Have you ever wondered how clouds stay in the sky? Here's your answer, and by the way, ... Believe it or not, the dry air beneath the cloud is denser than clouds above it.

"I opened the door of the room and saw this show in the sky," photographer Rebecca Paviola ... between 49,000 and 82,000 feet above the ground. Very few clouds form at these heights as there ...

Electric-blue noctilucent clouds glimmered in the sky just before dawn when this amazing image was captured. Astrophotographer John McConnell took the photo on June 20, 2014 from Maghaberry ...

A century ago, for instance, the clouds were confined to latitudes above 50-degrees north. Observers would have to go to places like the United Kingdom, Scandinavia and Russia to see them.

The spacecraft spotted the clouds forming above four huge Martian volcanoes in images collected on July 9 and ... The Pathfinder mission snapped photos of clouds in the Martian sky in the 1990s, ...