The End of the Universe • Katie Mack • ISS2025

The birth of the Universe in the Big Bang is a familiar scenario from modern cosmology — less well known are the various theories about the ultimate fate of Universe. How will it all end? Will it be cataclysmic? Or just a slow fade to black? And importantly, how long do we have left? ———————————————— Prof. Katie Mack is the Hawking Chair in Cosmology and Science Communication at the Perimeter Institute in Waterloo, Canada. In this video she is speaking to students at ISS2025: Quanta to Quarks, the 44th Professor Harry Messel International Science School, held at the University of Sydney, Australia, in July 2025. Katie's first lecture at ISS2025 on Dark Matter:    • The Dark Matter Mystery • Katie Mack • ISS...   Check out the ISS2025 Playlist:    • ISS2025: Quanta to Quasars   For more about the ISS: http://sydney.edu.au/science/iss