The University of California San Francisco AIDS website carries the latest AIDS news. It's also one of the best places on the web for AIDS information.
For fact sheets on every possible AIDS topic, visit AIDS InfoNet supported by the International Association of Providers of AIDS Care, the University of New Mexico, and the National Library of Medicine. This link will take you to their site.
The Harvard AIDS institute offers authoritative information on HIV and AIDS. This link will take you to their site.
The International AIDS Society, which organizes the World AIDS Conferences, keeps close tabs on world AIDS news. This link will take you to their site.
Centers for Disease Control and Prevention (CDC) website offers authoritative information on many aspects of HIV/AIDS, including HIV testing and HIV prevention.