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

Noctilucent clouds, Earth's highest clouds, shine blue in the twilight sky from late May to August in the northern hemisphere ...

Learn how ash from volcanic eruptions can alter ice content in clouds, influencing how Earth handles radiation.

Charlotte Dolnack could be heard yelling, “Holy mackerel, it’s getting stronger,” in the background of a now-viral video showing the swirling clouds. The 4-year-old was on the back porch of the family ...

The clouds in Antarctica might be fueled by penguin poop. Penguin poop - sorry, penguin guano - is creating clouds in ...

The researchers further demonstrated that the ammonia kicks off an atmospheric chain reaction. Out at sea, tiny plantlike ...

Antarctica's icy wilderness is warming rapidly under the weight of human-driven climate change, yet a new study points to an ...

Astronomers have observed a galaxy dating to an earlier epoch in the universe's history that surprisingly is shaped much like ...

According to the paper, published in Nature Communications Earth & Environment, the penguin droppings created a concentration of ammonia 1000 times higher than usual. Even after the penguins migrated ...

Dark matter is more than five times as abundant as all the visible matter in the universe. So why can't we see any of it?

Penguin excrement releases ammonia that helps form clouds over Antarctica, possibly slowing climate change in the region.

Observations from the Atacama Large Millimeter/submillimeter Array (ALMA) in Chile and NASA's James Webb Space Telescope ...