Out-of-this-World Discoveries from 2025
2025 brought some exciting extraterrestrial scientific discoveries, including new evidence about the Martian environment and the possibility of past life on Mars, the discovery of important building blocks of life in samples from the asteroid Bennu, and observations of the third interstellar object that’s been documented in our solar system.
A City on Mars and the Perils of Settling Space
As a new space race heats up, private companies and sovereign nations alike have their sights on setting up permanent human settlements in space – but huge technological, medical and legal challenges remain. Kelly and Zach Weinersmith join us to talk about their book A City on Mars: Can We Settle Space, Should We Settle Space, and Have We Really Thought This Through?
A City on Mars and the Perils of Settling Space (Cont'd)
A City on Mars authors Kelly and Zach Weinersmith discuss why the Moon has limited “primo” real estate, what it was like to write this book together as a married couple, and why they view humor as an essential piece of helping a general audience understand such complex issues as international space law.
This Weeks Show
January 2, 2026
listen / download
Out-of-this-World Discoveries from 2025
listen / download
2025 brought some exciting extraterrestrial scientific discoveries, including new evidence about the Martian environment and the possibility of past life on Mars, the discovery of important building blocks of life in samples from the asteroid Bennu, and observations of the third interstellar object that’s been documented in our solar system.
A City on Mars and the Perils of Settling Space
listen / download
As a new space race heats up, private companies and sovereign nations alike have their sights on setting up permanent human settlements in space – but huge technological, medical and legal challenges remain. Kelly and Zach Weinersmith join us to talk about their book A City on Mars: Can We Settle Space, Should We Settle Space, and Have We Really Thought This Through?
A City on Mars and the Perils of Settling Space (Cont'd)
listen / download
A City on Mars authors Kelly and Zach Weinersmith discuss why the Moon has limited “primo” real estate, what it was like to write this book together as a married couple, and why they view humor as an essential piece of helping a general audience understand such complex issues as international space law.
Special Features
Field Note: "After the Storm"
Living on Earth's Explorer-in-Residence, Mark Seth Lender, ruminates on the storm as it meets the shore.
Blog Series: Mark Seth Lender Field Notes
Field Note: "Countermeasures"
Living on Earth's Explorer-in-Residence, Mark Seth Lender, shares observations about shorebirds in flight.
Blog Series: Mark Seth Lender Field Notes
...Ultimately, if we are going prevent large parts of this Earth from becoming not only inhospitable but uninhabitable in our lifetimes, we are going to have to keep some fossil fuels in the ground rather than burn them...
-- President Barack Obama, November 6, 2015 on why he declined to approve the Keystone XL Pipeline.
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