The Bush administration's international AIDS program has been hailed as a success story, but will President-elect Obama follow through with a higher quality, fewer-strings-attached plan?...
Despite disappointing study results, scientists haven't given up on creating an effective way for women to protect themselves against HIV
Once the bane of global activists and politicians in developing nations, pre-exposure HIV preventatives are being tested in AIDS-stricken Africa
Fact or Fiction?: Circumcision Helps Prevent HIV Infection
We unpack whether a controversial prevention method works
25 Years Later: The AIDS Vaccine Search Goes On
Repeated failures in the quest for an AIDS vaccine have sent investigators back to the drawing board
Hope and the Fight against HIV
The battle must continue, even if 25 years of research have disappointed
To end AIDS, test and treat everyone, study says
Montagnier, Barre-Sinoussi and zur Hausen Share Nobel
Physiology or medicine prize recognizes work on HIV and human papillomavirus (HPV) linked to cervical cancer--but leaves out Robert Gallo
AIDS in 1988
In their first collaborative article 20 years ago, 2008 Nobel Prize winner Luc Montagnier, along with Robert Gallo, co-investigators who discovered HIV, introduced a Scientific American single-topic issue on AIDS...
More than 1.1 million people living with HIV in the U.S.
More than 1.1 million people in the U.S. are living with human immunodeficiency virus (HIV), as more people are infected with the AIDS-causing virus than die from it each year.
Do scientists self-censor in politically charged grant applications?
Why Do Men Buy Sex?
Some researchers say johns seek intimacy on demand; others believe these men typically want to use and dominate women
HIV Life Cycle Basics
Efforts to devise vaccines and treatments for HIV depend on knowledge of the virus's life cycle
Tuberculosis conspires with HIV to make the disease worse
In Africa, patients and doctors battle the double whammy of AIDS and TB
Triple Helix: Designing a New Molecule of Life
Peptide nucleic acid, a synthetic hybrid of protein and DNA, could form the basis of a new class of drugs—and of artificial life unlike anything found in nature
Special Report: HIV--25 Years Later
The big challenges in the fight against HIV/AIDS