NASA Summer Research Internship Program
The Academy is the premier internship offered by NASA and has a main goal of training future leaders of the space industry. The summer research program attracts undergraduate and graduate students of various backgrounds, mostly in STEM fields. More detailed information about the internship can be found here: http://www.nasa.gov/offices/education/programs/descriptions/NASA_Academy.html#.VLGt7NJzRfB.
The interests of your undergraduate and graduate students may very well align with the opportunities provided by NASA. Applications just opened on NASA OSSI: https://intern.nasa.gov/ossi/web/public/guest/searchOpps/ and can be found by going to the "Search for Opportunities" window and searching for the keyword "Academy."
The application deadline is February 15, 2015.