EDIT: Let’s cool it with the downvotes, dudes. We’re not out to cut funding to your black hole detection chamber or revoke the degrees of chiropractors just because a couple of us don’t believe in it, okay? Chill out, participate with the prompt and continue with having a nice day. I’m sure almost everybody has something to add.
I mean yeah that’s why it’s called dark matter. Because we know nothing about it except that it has gravity and doesn’t interact much (if at all) with electromagnetic waves.