This week on Planetary Radio, we explore "The Lost Universe," NASA's first tabletop role-playing game, with Christina Mitchell, a senior multimedia specialist at NASA's Goddard Space Flight Center in Maryland, U.S.A. Then, we'll shift our gaze from the mythical to the methodical with Amaury Triaud, an astronomer from the University of Birmingham in the U.K. He and his colleagues have found a new method for potentially detecting liquid water on the surfaces of terrestrial exoplanets. We close out with our chief scientist, Bruce Betts, for What's Up and a new random space fact. Discover more at ..read more

Former NASA Administrator Mike Griffin joins the Space Policy Edition to discuss his notable 2007 speech outlining the tension between so-called “real” and “acceptable” reasons for space exploration. “Acceptable” reasons for space exploration are logical, policy-friendly justifications such as workforce development, technology spinoffs, and STEM engagement. They are quantifiable and dispassionate — the Vulcans of arguments. However, Griffin argues that the essence of humanity's drive to explore space is the “real” reasons, which are intuitive, emotional, and grand. They have value but are hard ..read more

Planetary Radio marks its last show before the Apr. 8 total solar eclipse with a look back at discoveries made during totality. Planetary Society science editor Asa Stahl shares why solar maximum is excellent for eclipse observing but potentially scary for Earth. Then Jeff Rich, outreach coordinator at the Carnegie Science Observatories in Pasadena, CA, joins Planetary Radio to discuss how total solar eclipses have contributed to our understanding of the Sun and beyond. Bruce Betts, our chief scientist, closes the show with What's Up and a chat about the ways that Einstein's general relativity ..read more

On April 8, 2024, a total solar eclipse will sweep across North America. Ron Benner, the President of the American Optometric Association, joins Planetary Radio to share safety tips to protect your eyes during partiality. Then, astrophotographer Andrew McCarthy gives helpful advice about observing solar eclipses using telescopes and cameras. We close the show with our chief scientist, Bruce Betts, as he discusses The Planetary Society's new eclipse book for kids, "Casting Shadows," and the upcoming Eclipse-O-Rama festival in Texas, U.S.A. Discover more at: https://www.planetary.org/planetary-r ..read more

Behind every space mission is a tale of hard work, love, and perseverance. Dante Lauretta, the principal investigator for NASA's OSIRIS-REx mission, joins Planetary Radio to share stories from his new book, "The Asteroid Hunter." Then Bruce Betts, the chief scientist of The Planetary Society, looks back at the Shoemaker-Levy 9 impact on Jupiter and answers a question from our audience in What's Up. Discover more at: https://www.planetary.org/planetary-radio/2024-the-asteroid-hunter See omnystudio.com/listener for privacy information ..read more

The countdown is on! With less than a month until the total solar eclipse on April 8, 2024, Planetary Radio is buzzing with anticipation. This celestial event will sweep across Mexico, the United States, and Canada, promising a spectacular view to millions. Jim Bell, a professor from the School of Earth and Space Exploration at Arizona State University and former president of The Planetary Society's Board of Directors, will share captivating tales from his global eclipse-chasing journeys. But before diving into the cosmic wonders, we'll bring you the latest updates on the proposed US President ..read more

A team co-led by the Southwest Research Institute has made a groundbreaking discovery, revealing evidence of hydrothermal or metamorphic activity on the icy dwarf planets Eris and Makemake in the Kuiper Belt. The lead author of this research, Chris Glein, joins Planetary Radio to explain. But our journey doesn't stop there. We dive into the newly reformed US Planetary Science Caucus with The Planetary Society's top space policy experts, Casey Dreier and Jack Kiraly. Our senior communications adviser, Mat Kaplan, celebrates a monumental achievement in space exploration — the successful landing ..read more

Over two decades ago, an innovative partnership between The Planetary Society, NASA, and LEGO created the Red Rover Goes to Mars program. Today, we reflect on the program's remarkable achievements with our chief scientist, Bruce Betts. We're also joined by two extraordinary people whose lives were forever changed by their experiences as student astronauts in the program during their high school years. Courtney Dressing, an associate professor in the Department of Astronomy at the University of California, Berkeley, and Abigail Fraeman, the deputy project scientist for NASA's Curiosity Rover at ..read more

After NASA's OSIRIS-REx spacecraft's successful sample retrieval from asteroid Bennu, it's onto its next adventure as OSIRIS-APEX, the Apophis Explorer. Scott Guzewich, deputy project scientist for APEX, joins Planetary Radio to discuss the next steps for the mission as we count down to asteroid Apophis’ flyby of Earth in 2029. Then Bruce Betts, The Planetary Society’s chief scientist, pops in for What's Up and a look at other multi-world missions. Discover more at: https://www.planetary.org/planetary-radio/2024-osiris-apex  See omnystudio.com/listener for privacy information ..read more

This week on Planetary Radio, we take a peek behind the scenes at National Geographic's new documentary, “The Space Race,” which celebrates the triumphs and struggles of the first African-American space pioneers and astronauts. Co-directors Diego Hurtado de Mendoza and Lisa Cortés, space pioneer Ed Dwight, and astronaut Leland Melvin join us to discuss the film. But first, Casey Dreier, The Planetary Society's chief of space policy, and Jack Kiraly, our director of government relations, give an update on the U.S. budget gridlock that caused the recent layoff of hundreds of people at NASA's Jet ..read more