One of the researchers behind a pioneering new study on bottled water answers PEOPLE's questions about their investigation's unsettling findings Johnny Dodd is a senior writer at PEOPLE, who focuses ...

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 ...

Cosmic rays are particles from outer space that travel across the universe. They can be made by the sun, by other stars exploding, and even black holes. They move extremely fast, nearly the speed of ...

Tiny particles of plastic have been found everywhere — from the deepest place on the planet, the Mariana Trench, to the top of Mount Everest. And now more and more studies are finding that ...

It's a disturbing thought: At this very moment, tiny crumbs of plastic are trickling through our bodies, a parade of unwelcome houseguests ready to take up residence in some tissue or organ. The ...

Discover the fascinating world of particle physics — the most fundamental building blocks of the universe and the forces that connect them. When you purchase through links on our site, we may earn an ...

The universe is a strange place on very small scales. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. What makes up the matter we perceive in the ...

Physicist Richard Feynman invented them to describe the interactions between real particles. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. This ...

But scientists say new research is on the way. The world produced 450 million tons of plastics in 2025, and that number is only expected to climb. If all of those plastics eventually turn into tiny ...