Tom Dennis teaches introductory astronomy courses (Concepts of Astronomy; The Sky) as well as a tutorial in Photometry and intermediate-level courses. His course Cosmology and Stars: Time and Transformation in the Universe is a narrative history of the universe.
Along with his science colleagues at MHC, Dennis is a cocreator the Unity of Science course. Developed in 1995, with the help of a $150,000 National Science Foundation, the course is designed to introduce nonmajors to a range of sciences from an interdisciplinary and interactive perspective.
In 1998, Tom Dennis, along with colleague Ron Zissell, hosted the American Association of Variable Star Observers' eighty-sixth annual meeting at MHC.
- "Kendade to Encourage Multidisciplinary Study," College Street Journal, August 30, 2002
- "Reaching for the Stars: Kathryn Peek '02 Wins Goldwater Scholarship," College Street Journal, April 14, 2000