A Giant Telescope and Remembering John Glenn

We have begun to understand the composition of worlds that are hundreds of trillions of kilometers from Earth. Astronomer Nikole Lewis is co-leader of a team that has used the Hubble Space Telescope t...

11 Huhti 201831min

Lori Garver, former Deputy Administrator of NASA, talks with Casey about what the Deputy and Administrator jobs are like day-to-day, how decisions actually get made at the top, and why the current lac...

6 Huhti 20181h 17min

The multi-award winning science fiction author, futurist and speaker returns to Planetary Radio for a wide-ranging conversation about robots and humans in space, empathetic artificial intelligences, h...

4 Huhti 20181h 8min

By the time you hear this week’s episode, China’s Tiangong-1 may have spectacularly re-entered our planet’s atmosphere, raining metal on an unpredictable location.  The Aerospace Corporation’s Bill Ai...

28 Maalis 201850min

He is known for his breakthrough physics and popularizing of science, but Dr. Hawking also wanted to fly in space. Erik Viirre led the medical team that helped Stephen experience weightlessness.  He s...

21 Maalis 201839min

Seven astronomers have been selected to receive Shoemaker NEO (Near Earth Object) grants from the Planetary Society.  They and their observatories span the planet.  We’ll meet an American and an Austr...

14 Maalis 201836min

Space is hard.  Sample collection and return is harder still.  That’s why the radically-simplified PlanetVac system from Honeybee Robotics is so intriguing.  Join Planetary Society Chief Scientist Bru...

7 Maalis 201844min

Society members from 21 states descended on the U.S. capitol for a "blitz" of 178 meetings in two days. Casey and special guest Matt Renninger explain why that is such an important activity, and blitz...

2 Maalis 201835min