Black Holes.
What does the universe hold--and hide?.
Quantum Entanglement Theory shows two objects connected despite being large distances apart.
String Theory and Membrane Theory both suggest that parallel dimensions very probably exist.
Dark matter makes up another 27%, leaving the ``normal`` matter visible to humans at less than 5% of the cosmos around us.
Modern science estimates dark energy permeates roughly 68% of the universe.
Quantum Physics.
Entanglement Theory.
Dark Matter.
Dark Energy.
Black Holes