Both graduate students and undergraduates can become student affiliates of the American Psychological Association. Affiliates receive subscriptions to gradPSYCH, The American Psychologist, and the Monitor on Psychology. They also receive steep discounts on conferences, APA mobile apps, and other discounts from the APA.
Reading the materials created by a field's professional organizations is a good way to stay informed about what's going on in the discipline.
You might also find information about conferences or symposia, calls for paper submissions, scholarships, or other educational opportunites.