Mars all-stars gathered online for September’s annual Humans to Mars summit produced by Explore Mars. Planetary Radio host Mat Kaplan moderated three intriguing panels with participants including leaders from space agencies throughout the world. Then we hear about the 19th century’s biggest telescope in this week’s What’s Up segment with Bruce Betts. Learn more at https://www.planetary.org/planetary-radio/2021-humans-to-mars-summit-excerpts

Star Trek at 60: What Vulcans and Klingons can teach us about being human (Part 2)
1:07:15

Star Trek at 60: What do we value the most? (Part 1)
59:56

Space Policy Edition: The Long Space Age with Alex MacDonald
1:07:36