>>12031584To an extent, yes. Our models don't properly predict certain phenomena, which can mean 3 things:
1) Our models are incorrect;
2) There is an unknown type of matter of there;
3) A combination of both.
I know it may sound like (1) is the obvious answer, but just like
>>12031587 said, scientists don't come up with things for fun, there is actual mathematical evidence for it. This stuff is outside of my comprehension, I'm not an astrophysicist. But Sabine Hossenfelder is:
https://www.youtube.com/watch?v=GatiekRziok 
