Ann Druyan wishes you a happy Sagan Day

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 Jul 20201h 3min

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 Jul 202052min

Dr. Bhavya Lal joins the show to discuss the size of the space economy, where it's going, and how the term itself can mean many different things to many different people. In a world filled with breath...

3 Jul 20201h 4min

Mastcam-Z is the main camera system that will soon leave for Mars as part of the Perseverance rover. Mastcam-Z Principal Investigator Jim Bell is back to tell us about what the most powerful set of ey...

1 Jul 202053min

Low Earth orbit, the Moon, Mars, even Neptune and the edge of the solar system--China’s ambitious plans for space exploration and development are laid out by Planetary Society contributing editor and ...

24 Jun 202051min

The LightSail 2 team and 50,000 supporters around the world will celebrate the little spacecraft’s first anniversary on orbit in a few days. Planetary Society Chief Operating Officer Jennifer Vaughn r...

17 Jun 202051min

Keeping humans alive and well in space is hard enough. How will this be accomplished on a 3-year journey to Mars and back? Paragon President and CEO Grant Anderson shares the great progress we’ve made...

10 Jun 202057min

SpaceX's Crew Dragon safely carried 2 astronauts to the ISS, nearly a decade after NASA made a huge bet on commercial partnerships to solve a problem of access to the space station. Casey and Mat expl...

5 Jun 20201h 17min