The Multiverse

5 Reasons We May Live in a Multiverse

 http://www.space.com/18811-multiple-universes-5-theories.html

 

The Case Against the Multiverse

http://www.allaboutscience.org/multiverse.htm 

DARK MATTER

Check out these links to learn about Dark Matter.

Why does dark matter matter?

NASA's view of the topic.

National Geographic

Dark Matter Revealed

"Astronomy Now"