Mars is a frozen, irradiated desert world with almost no hope for life…but it doesn’t have to be. In this episode, we explore the mechanics of building a Martian atmosphere, warming the planet, thawing the ice caps, jump-starting a new hydrologic cycle, and bringing back the Martian oceans.
Sep 2023
Peter Thiel // The Diversity Myth, 30 Years Later
Nearly 30 years after publishing “The Diversity Myth,” Peter Thiel sits down with Mike Solana to unpack what the book got right and wrong. Thiel argues that social distractions have stunted scientific progress, slowed economic growth and weakened our geopolitical standing. How di ... Show More
1h 8m
Dec 2020
Patri Friedman // Starting Over
What if we just... left? The challenges facing our cities are enormous. Our problems could take years to correct, or decades. The purpose of this season is to explore new ways to reinvigorate our cities, but it's worth entertaining the alternative. What if we built something new, ... Show More
33m 22s
Sep 2023
Subsurface oceans: The hidden potential of Earth-like exoplanets
Lujendra Ojha, assistant professor at Rutgers University, joins Planetary Radio to discuss how subsurface liquid water on exoplanets orbiting red dwarf stars could increase the likelihood of finding habitable worlds beyond our Solar System. Then we check in with Bruce Betts, chie ... Show More
50m 28s
Dec 2023
A Year in Mars Dune Alpha
To prepare for the day when humans travel to Mars, NASA is conducting a one-year experiment in a Mars simulation environment. So what’s it like to spend a year in CHAPEA, the Crew Health and Performance Exploration Analog? In this season finale episode, travel through the airlock ... Show More
26m 21s
Apr 2025
Why is Mars red? A new clue to the history of habitability in Martian dust
For decades, scientists hypothesized that Mars’ reddish color came from hematite, an iron oxide thought to have formed through dry oxidation after Mars lost its water. But new research suggests the story is more complex—and more watery—than we once imagined. In this episode, plan ... Show More
54m 56s
Aug 2023
Mars Life Explorer: The search for extant life on the red planet
Many missions are working to understand Mars' past habitability, but could there still be microbial life on the red planet today? This week on Planetary Radio, we discuss the proposed Mars Life Explorer mission with Amy Williams, assistant professor of geology at the University o ... Show More
57m 43s
Nov 2024
S27E135: Miranda's Oceanic Mystery, Mars' Green Spotted Rocks, and the 2035 Martian Walk Target
SpaceTime Series 27 Episode 135
*Could Uranus Moon Miranda Have a Subsurface Ocean?
A new study suggests that Uranus' moon Miranda may harbour a liquid water ocean beneath its peculiar jigsaw-like surface. The findings, published in the Planetary Science Journal, challenge existi ... Show More
20m 42s