You can't see, feel, hear, taste or smell them, but tiny particles from space are constantly raining down on us.

ISS microgravity experiments reveal how particles cluster, helping science on Earth and future space missions.

TRONDHEIM, Norway — Particles racing through space at nearly the speed of light pack energy millions of times greater than anything we can create on Earth. For decades, these cosmic bullets have ...

What Are Atmospheric Aerosols Exactly Aerosols refer to fine solid or liquid particles suspended in the atmosphere, where they reside typically for days to weeks before falling to the ground or being ...