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Updates from NBC Nightly News, including recent broadcast and Web-only video.
Anchor Brian Williams provides a narrative of the Nightly News broadcast Visit weblog
Updates from NBC Nightly News, including recent broadcast and Web-only video.
Read the full text of President Barack Obama speech, as released by the White House on Thursday.
As drought persists in Kenya, the threat of violence is growing.
It's still something of a puzzle, but the symptoms of global warming are strong as is the evidence for a significant manmade contribution. Check out the pieces and suggest your own additions.
Health care providers and sickle cell patients and family members who may be interested in joining NIH blood stem-cell transplant studies may call 301-402-6466 for more information.
Dec. 9: A new stem cell treatment has been shown to reverse sickle cell disease in 9 of 10 patients. Dr. Lester Fleming, who suffered with sickle cell since childhood, talks about the successful treatment.