Saul Perlmutter [2], 2011 Nobel Prize winner in Physics, has been a leader in the exploration of dark energy [3]. Read about this DOE researcher at DOE R&D Accomplishments [4] and explore the universe using Science Accelerator [5]; check out the search results for big bang [6] and supernovae [7].
Links:
[1] http://www.osti.gov/ostiblog/users/admin
[2] http://www.osti.gov/accomplishments/perlmutter.html
[3] http://www.scienceaccelerator.gov/dsa/search.html?expression=dark%20energy
[4] http://www.osti.gov/accomplishments
[5] http://www.scienceaccelerator.gov/
[6] http://www.scienceaccelerator.gov/dsa/search.html?expression=big%20bang
[7] http://www.scienceaccelerator.gov/dsa/search.html?expression=supernovae