Useful Links:

The Planetary Society — www.planetary.org
The Division for Planetary Sciences — dps.aas.org
Planetary Meetings Calendar — http://planetarynews.org/meetings.html
Women in Planetary Science — http://womeninplanetaryscience.wordpress.com
Women in Astronomy — http://womeninastronomy.blogspot.ca
AstroBetter (tips and tricks for professional astronomers) — http://www.astrobetter.com