AIDS Today--And Tomorrow
On World AIDS Day, we look at the outcome of PEPFAR, President Bush's international AIDS program, the aftermath of a controversial HIV-prevention trial, and the future of microbicides--women-controlled AIDS prevention
The U.S.'s $18.8-Billion Global AIDS Initiative--5 Years Later
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?...
Protecting Women from HIV--Docs Hopeful About Microbicides
Despite disappointing study results, scientists haven't given up on creating an effective way for women to protect themselves against HIV
Can HIV Infection Be Prevented with a Once-Daily Pill?
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
Among the unresolved issues surrounding the AIDS pandemic is which strategy — pushing prevention techniques or HIV treatments — will best reduce the disease's spread.

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?
If you study prostitutes, would you tell the NIH?
Half of scientists whose federally funded research — most of it about sex and AIDS — was subjected to extra scrutiny by the National Institutes of Health (NIH) in 2003 after conservative members of Congress questioned its merits say they now censor wording in their grant applications that might raise "red flags" at the agency, according to a new survey...

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