Quote Originally Posted by Mr. Clandestine
Agreed. It's all theory, which mostly stems from two trains of thought: Newtonian and Einsteinian. Newton's theory of gravitation has to do with a gravitational 'force' surrounding any body of mass, and the laws that falling objects seem to adhere to. Einstein's theory of general relativity states that gravity is subject to the curvature of time and space, not force, and that objects fall in the direction of a geodesic path. (A logical straight line determined by the curvature of space that any massive object follows during free-fall.)

Physics always confused the hell out of me, including all the theories and propositions that backed up the study of it. My favorite explanation to all these questions still stands strong: "It just does."
I know a little about the Einsteinian theory but only what I picked up on youtube so I'm still mostly in the dark on that one.