
Make Room! Worlds May Crowd Some Habitable Zones
Newly-published research led by Stephen Kane finds room for as many as 6 habitable zone planets around some stars. Why then is Earth on its own? The UC Riverside planetary scientist and astrobiologist...
19 Aug 202057min

Another Ray Gun Heads for Mars. We Hear It Working.
First there was ChemCam on Mars rover Curiosity. Now, SuperCam is on its way to the Red Planet aboard Perseverance. We’ll talk with principal investigator Roger Wiens about the new and improved, laser...
12 Aug 202048min

Space Policy Edition: Why the SLS is a National Asset, and Why That Matters
How spacefaring nations prioritize funding can be just as important, if not more so, than the capabilities of the commercial sector, says Dr. Mary Lynne Dittmar, President and CEO of the Coalition for...
7 Aug 20201h 31min

Crew Dragon Triumphant, and a Planetary Society Founder Remembers
Astronaut and former SpaceX director of space operations Garrett Reisman returns to help us celebrate and appreciate the just-completed first crewed mission by a Crew Dragon capsule. Then we settle in...
5 Aug 20201h 18min

Hope Leads the Way to Mars
An exclusive conversation with science lead Sarah Al Amiri and project director Omran Sharaf of the Emirates Mars Mission. Their Hope orbiter is now on its way to the red planet. NASA Associate Admini...
29 Juli 202058min

A Mars Mission Begins, a Comet Exits, and the Future of Planetary Science
The United Arab Emirates Hope spacecraft has begun its journey to Mars. We’ll join a virtual launch party attended by mission leaders, NASA Administrator Jim Bridenstine, National Air and Space Museum...
22 Juli 20201h 9min

3 Billion Years Ago: Was Mars Alive?
Perseverance, NASA’s 2020 rover, leaves for the Red Planet in just days. Deputy project scientist Ken Williford tells us how it will look for signs of past life where there was once a Martian lake. He...
15 Juli 20201h 3min

To Pluto and Beyond with Alan Stern
It has been 5 years since the New Horizons probe revealed beautiful, surprising Pluto, and 18 months since it showed us the odd little body now known as Arrokoth. Principal Investigator Alan Stern sha...
8 Juli 202052min





















