The atmosphere is full of tiny particles floating invisible to the naked eye, yet these microscopic specks wield ...

Penguin poop, also known as guano, is notoriously smelly. But the ammonia in the birds’ excrement does more than just stink—it can play a role in cloud formation over Antarctica. Those clouds affect ...

The colours of microbes that live in clouds high in the sky have been measured for the first time, giving scientists clues that could help us find life on other planets. A diverse range of ...