Welcome to the Cosmos Community Portal – a free, social networking site for anyone interested in astronomy and space issues. This is the gateway to the

• Personal Portals of amateur astronomers, astrophotographers, telescope builders and space enthusiasts of all sorts.
• Community Portals of astronomy clubs, societies, resource and service organization

Both kinds of portals can be private and visible only to members, or public and visible to anyone. That's up to the portal owner and administrators. If you want to become a member of any portal or want to start your own portal, you have to first register here. It's free!

Once you are registered you can even build your own portal. Just click on the CREATE A PORTAL button on any page. That's free too (with ads appearing on your  portal) or you can subscribe for $8/month and forget about pesky ads. You can post articles, blogs, photo galleries, events, newsletters, and more.  Join this portal or start a portal of your own and become part of this collaboration.  Visit our featured portals.