Last Updated: Wednesday, December 14, 2011, 17:44
A steady diet of cold, thin streams of gas are what pushed the rapid growth of early supermassive black holes, according to astrophysicists.
Last Updated: Friday, December 02, 2011, 18:02
Four red galaxies, uncovered 13 billion light-years away from Earth may be the missing link in the evolution of our galaxy.
more videos >>