The Good Stuff

What the Heck is Dark Matter?

85% of the mass of our universe is made up of dark matter--a type of matter that we cannot see or detect, but without it, galaxies would not exist and the universe as we know it would be very different. What is dark matter? Where is dark matter? How can we find dark matter?

What the Heck is Dark Matter?

8m 55s

85% of the mass of our universe is made up of dark matter--a type of matter that we cannot see or detect, but without it, galaxies would not exist and the universe as we know it would be very different. What is dark matter? Where is dark matter? How can we find dark matter?

WETA Passport

Stream tens of thousands of hours of your PBS and local favorites with WETA Passport whenever and wherever you want. Catch up on a single episode or binge-watch full seasons before they air on TV.