People who have the AIDS virus should start drug treatments sooner than current guidelines recommend, suggests a large new study that could change the care of hundreds of thousands of Americans. ...more

October 27, 2008

"Whatever you can say about the Soviet bioweapons scientists," a Bush administration official once told me, "they never killed anyone." ...more

August 21, 2008

There are few things in American politics more irrationally ideological, more fanatically faith-based than the accusation that Republicans are conducting a "war on science." ...more

May 12, 2008

New data on an experimental AIDS vaccine that failed to work show volunteers who got the shots were far more likely to get infected with the virus through sex or other risky behavior than those who got dummy shots. ...more

November 8, 2007