The ammonia from Adélie penguin guano reacts with sulfur-containing gases in the atmosphere to aid in forming clouds, which ...

When the wind blew from the direction of the colony, ammonia levels spiked, sometimes reaching 1,000 times above normal ...

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Weather officials say different types of clouds can tell you what kind of weather to expect. Here's a look at the different types.

Volcanic ash from eruptions can reshape cirrus clouds, forming giant ice crystals and altering how Earth traps heat in the ...

Penguin droppings release ammonia that forms clouds, affecting Antarctica's climate and potentially slowing warming.

Ammonia released from penguin guano combines with compounds from phytoplankton, boosting the formation of cloud-seeding aerosols. These aerosols then create low-lying clouds that reflect sunlight ...

Lead author Matthew Boyer, an atmospheric scientist at the University of Helsinki, told AFP that lab studies had long shown gaseous ammonia can help form clouds. But "to actually quantify this ...

Wispy green clouds form a conical shape, resembling an evergreen tree. Photo Credit: NASA This nebula, about 7,200 light-years from Earth, is full of new, big stars. Photo Credit: NASA ...

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