A solution that transforms into a hydrogel and releases a steady dose of an anti-HIV drug could eliminate the need for a daily pill to prevent AIDS.

Mental and psychosocial health challenges facing older adults with HIV/AIDS affect their well-being—and the trajectory of the virus.

New details about the structure of the HIV virus may help in the design and development of a vaccine that can protect against AIDS.

A survey finds that fewer young adults report having more than one sexual partner in the last year and growth in the number who report abstaining.

"Without Stonewall we would have no AIDS activism, and without AIDS activism we would have no marriage equality..."