Small Steps, Giant Leaps: Episode 120: F...

On September 17, 2025, NASA announced that the number of exoplanets, planets outside our solar system, tracked by NASA has reached 6,000. In the three decades since the groundbreaking detection of exoplanet 51 Pegasi b, the first confirmed planet orbiting a Sun-like star, astrono ... Show More

A steel vacuum chamber 50 stories deep at NASA’s Glenn Research Center lets researchers simulate near-weightlessness by letting test hardware freefall for 5.18 seconds. 

From black holes to star clusters, scientists are turning space data into sound with a process called sonification. Dr. Kimberly Arcand, visual scientist with the Harvard-Smithsonian Center for Astrophysics, joins us to explore how data sonification lets more people experience th ... Show More

Special guest Alan Lightman takes us through a fascinating discussion of consciousness, and tells us how he reconciles spirituality with his materialist views.Todays episode is sponsored by the International Space Station. Join the ISS National Laboratory this August in Seattle a ... Show More

Join Planetary Radio host Sarah Al-Ahmed on a trip to the 2023 NASA Innovative Advanced Concepts (NIAC) Symposium in Houston, Texas. In this jam-packed two-part series, you'll hear Sarah's interviews with the inspiring NIAC fellows who are thinking up the technologies that could ... Show More

Join Planetary Radio host Sarah Al-Ahmed for part two of her trip to the 2023 NASA Innovative Advanced Concepts (NIAC) Symposium in Houston, Texas.  You'll hear from Mike LaPointe and John Nelson, the NIAC Program Executive and Deputy Program Executive along with Theresa Benyo (N ... Show More

Aaron Allcorn and Tom Williams discuss NASA’s efforts to understand the optimal spaceflight environment that maximizes human performance. This is part two of a six part series on NASA’s Human Research Program. HWHAP Episode 124. 

In this episode, Robert and Julie interview astrophysicist Neil deGrasse Tyson. What does the planet's leading science communicator have to say about the future of space travel, mind-blowing cosmology and the science in America? Listen in to find out. Learn more about your ad-cho ... Show More

Planetary scientists and OSIRIS-REx co-investigators at NASA's Johnson Space Center walk us through the processes and emotions of working in the lab with asteroid Bennu’s precious samples. HWHAP Episode 319.