There is a lot of matter in our galaxy that we can’t see. It’s called dark matter. Have you ever looked up at the night sky and thought it looks like a lot of empty space? Turns out, it’s not empty ...
85% of the mass of our universe is made up of 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 ...
New research suggests dark matter could leave a tiny but discernible imprint in the cacophony of ripples in spacetime called "gravitational waves" that ring through the cosmos whe ...