Physics professor Brian Shuve talks about how our Milky Way galaxy is made of hundreds of billions of stars like our sun, and there are hundreds of billions of other galaxies like it. But if we add up all the stars, planets and gas in the vastness of space, we find that it is only a small fraction of the total mass in the universe! We are surrounded and outnumbered by an invisible type of matter that cannot be explained with the atoms, molecules or subatomic particles that make up everyday matter. Shuve describes what is known about dark matter, what secrets this hidden part of the universe might hold regarding the laws of nature and the origin and structure of the universe. He then demonstrates how particle physicists at Harvey Mudd are using simulations and experimental data from high-energy particle colliders to uncover these secrets.

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