Each user has their own personal web space on astronomy.nmsu.edu. This is controlled via httpd and the user's respective directory on the server located at /home/httpd/html/user. Files placed in your /home/httpd/html/username dir controls what is presented on the outward facing page - astronomy.nmsu.edu/username/

For example, user zachedwa has their dir /home/httpd/html/zachedwa/ located on the server. If they put files into this dir, it will be reflected on astronomy.nmsu.edu/zachedwa/

However, you can also create a webpage instead of hosting data, is controlled by creating an index.html file.

for example - http://astronomy.nmsu.edu/holtz/

More information about creating a index.html file can be found online and at - http://www.learningaboutelectronics.com/Articles/How-to-create-a-home-page-for-apache-server-in-linux.php

Note, these are independent from the Cascade Pages. And even though there is a redirect placed at astronomy.nmsu.edu to take people to astro.nmsu.edu, you are still able to access pages further down the astronomy.nmsu.edu tree by specifying the path. You have complete control over this content.