Debian has several news feeds, depending on how you use Debian:
Latest News - Major news and changes (10-30 per year)
debian-security-announce - Security advisories about Debian packages
News for Debian contributors
- #debian-devel IRC channel topic
debian-infrastructure-announce - Changes in the Debian infrastructure and services.
Press coverage - Debian in the press
http://www.spi-inc.org/ - News from Software in the Public Interest, a non-profit organization that supports Debian and other software projects