Explore the future of space travel in this 39-minute lecture by Chris Impey, professor of astronomy at the University of Arizona. Delve into the history of space exploration, from early milestones to current developments in both public and private sectors. Examine the challenges, economics, and technological advancements shaping the new space race between nations and companies. Learn about potential future developments, including space elevators, asteroid mining, Mars colonization, and interstellar exploration. Gain insights into how space technology impacts life on Earth and the long-term possibilities for human expansion beyond our planet.