The study of these fast-moving particles provides significant clues about the early universe.

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. The particles that are in ...

Add Yahoo as a preferred source to see more of our stories on Google. They're tiny, invisible, and travel across the universe. And trillions of them just flew through your body. What are they?

They're tiny, invisible, and travel across the universe. And trillions of them just flew through your body. What are they? Neutrinos ‒ and scientists Wednesday announced the discovery of the most ...