How ghostly neutrinos could explain the universe’s matter mystery

Matter’s dominance over antimatter may revolve around lightweight subatomic particles

a black and white animation in which ghosts representing neutrinos pass through the earth

Ghostly particles called neutrinos are so ethereal that they can pass through the entire Earth (illustrated). Scientists are studying these particles to learn about why the universe has more matter than antimatter.

Marcie LaCerte

The answer to one of the greatest mysteries of the universe may come down to one of the smallest, and spookiest, particles.