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

A person's optimism in the future seems to be controlled by a small front part of the midbrain, according to a study that used brain imaging. ...more

October 28, 2007

TAMPA - A University of South Florida student told investigators he made a videotape about remote bomb detonation to help people in Arab countries fight invading infidels, including U.S. military forces, according to an FBI affidavit. ...more

September 27, 2007

Fidel Castro looked alert and healthier during an hourlong interview taped and aired on Cuban television Friday, responding to rumors of his death with a defiant, 'Here I am.' ...more

September 22, 2007