Scientists working in the realm of subatomic physics study particles - specifically, subatomic particles such as electrons, protons, and neutrons - and how they exist and interact. By doing so, they are seeking the answers questions about our universe, leading to a better understanding the nature of matter.
What are nutrinos, and do they hold the key to our understanding of matter and anti-matter?
Do we fully understand the origin of mass?
What is dark matter, and how does it control the structure of the universe?