What are Black Holes?
Channel: Ask a Physicist
Date: 2008-06-25

Video explaining what Black Holes are, where they come from and how we detect them. 

Fore more information see: 

http://cosmology.berkeley.edu/Education/BHfaq.html
- A very interesting and well written article by Tedd Bunn

http://antwrp.gsfc.nasa.gov/htmltest/rjn_bht.html
- A more complex artticle, but with interesting videos 

http://uk.youtube.com/watch?v=pF63fxXMKTM 
- A Documentary on Stephen Hawking and Black Holes

http://uk.youtube.com/watch?v=Y4ZDEdgtoDY&feature=related
- A Documentary on the discovery of Super Massive Black Holes

http://www.liveleak.com/view?i=b01_1187080995
- A Documentary about the life and death of stars

Some cool videos:
http://uk.youtube.com/watch?v=hoLvOvGW3Tk