As Encke moves, it sheds dust wherever it goes, like the Peanuts character Pig Pen. A meteor shower occurs when that dust and debris light up while entering Earth’s atmosphere at high speeds.

Every year, as the seasons change, a familiar pattern emerges in Hanoi. The air grows thick with fine dust, and with it, an ...

This suggests that microplastics in the air may affect weather and climate by producing clouds in conditions where they would ...