Getting excited about Dark Matter!
It makes up a quarter of the universe. Without it, galaxies would fall apart, and stars would spin off into space. Dark matter is five times more abundant than normal matter (the stuff that makes up trees and stars and us), yet scientists can’t see it or figure out what it is. The one thing they can say for sure: They’re getting closer to an answer.
Read my story in the October issue of Popular Science: “The Search for Dark Matter”