Dr. Katie Mack is Assistant Professor of Physics at North Carolina State University and member of the Leadership in Public Science Cluster there. In addition, Katie is an avid science communicator and author of the recently released book The End of Everything (Astrophysically Speaking). Her writing has also been published in popular publications including Scientific American, Slate, Sky & Telescope, Time.com, and Cosmos Magazine. As a cosmologist, Katie studies the universe as a whole over the full scale of time, including how the universe evolved, what it is made out of, and how it works. When Katie isn’t doing research or science communication, she enjoys traveling and exploring new places, playing basketball, rock climbing, trail running, reading science fiction books, and watching science fiction shows and films. Katie received her undergraduate degree in physics from the California Institute of Technology (CalTech) and her PhD in astrophysics from Princeton University. Afterwards, she accepted a Science and Technology Facilities Council postdoctoral research fellowship at the University of Cambridge and Kavli Institute for Cosmology. Next, Katie was awarded a Discovery Early Career Research Award Fellowship to conduct research at the University of Melbourne. Katie accepted her current position at North Carolina State University in 2018. In our interview, Katie shares more about her life and work.