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Andy Weir’s New Novel Puts a City on the Moon

The author of #1 bestseller

Australia Gets Serious About Space

The Australian government announced that it would create a national space agency at the 68th annual International Astronautical Congress in Adelaide. We’ll talk with IAC 2017 CEO Brett Biddington about what this means for his country.

Science Fiction Greats on Humanity’s Destiny in Space

Robert Zubrin of the Mars Society talks with Gregory Benford, David Brin, Geoffrey Landis and Larry Niven about terraforming Mars, the origin of life, the drive to explore and more.

Space Policy Edition #15 – Congressman Rick Larsen, Could Russia Exit the ISS?

New U.S. sanctions against Russia have reignited speculation that global politics could undermine cooperation in the International Space Station. Could Russia cut off rides for US astronauts to the ISS? Later, Casey Dreier joins Spark Science host Dr. Regina Barber Degraaff for a conversation with U.S. Congressman Rick Larsen, Democratic representative of Washington state’s 2nd District. We also check in on NASA's 2018 budget, which is currently moving through the Senate. Did they provide funding for a new Mars orbiter?

Planetary Radio Live! Living on Mars

Will humans live, work and thrive on Mars? What challenges must be met before we can become Martians? On July 20th, the anniversary of the Apollo 11 moon landing, Mat Kaplan welcomed an outstanding panel of experts for conversation in front of a Pasadena, California audience.

Thomas Edison, Eclipse Chaser!

Former NPR science reporter David Baron discusses the stories of men and women who made their way across the American West to view and document the total solar eclipse of 1878.

Buzz Aldrin and Other Martians

He walked with Neil Armstrong on the moon, but that may not be his greatest legacy. Buzz Aldrin was joined by other space stars at the recent Humans To Mars Summit.

Human Spaceflight: Coming Back to America

Astronauts may soon ride on US rockets and in US spaceships for the first time since the last Space Shuttle flight. Jon Cowart of NASA is working with SpaceX toward the first launch of a Dragon spacecraft with humans on board.

NASA Leaders on Getting Humans to Mars

The human journey to the Red Planet is long and hard, but Mat’s conversation with three NASA Associate Administrators at the Humans to Mars Summit was filled with cautious optimism.

Space Policy Edition #12 – Is Space Policy Stagnant? With Special Guest Marcia Smith

Moon or Mars? Should NASA depend on private companies? What’s the goal of human spaceflight? These questions were debated three decades ago, yet are just as relevant today. Does that mean space policy is stagnant?

Aerospace Corporation President and CEO Steve Isakowitz

The Aerospace Corporation has been innovating since 1960. Now it’s headed by a former leader of “New Space” company Virgin Galactic. President and CEO Steve Isakowitz talks about the evolving culture of the space industry.

Nancy Atkinson’s Incredible Stories from Space

The longtime editor of outstanding online space news source Universe Today has just written about nine robotic missions of exploration in

Space Policy Edition #10 - Special Guest Laura Delgado Lopez, SpaceX to the Moon, looming budget cuts

Laura Delgado Lopez from the Harris Corporation joins us to talk about the growing number of countries getting into the space business, particularly in Latin America. Casey, Jason, and Mat also take stock of SpaceX's plans to send humans around the Moon in 2018, and how the newly-announced Trump budget cuts could hurt NASA.

The Worlds of TRAPPIST-1

The discovery of seven, Earth-sized planets in a nearby solar system was announced last week. Astrophysicist and planetary scientist Sara Seager joins us to share her excitement about this find that includes three planets in the habitable zone.

Earth Microbes! Welcome to Mars

University of Arkansas grad student Rebecca Mickol and her team have demonstrated that some Earth bacteria can survive in the extremely thin atmosphere of Mars. Could Martian bacteria thrive under the same conditions?

Space Policy Edition #9: Congress Plots New Space Legislation Amid Trump's Tumultuous First Two Weeks

It’s still too early to say where the Trump Administration will take NASA, but there are a few hints. Congress is not waiting. Casey, Jason and Mat review a draft of the space agency’s authorization bill and a separate act that asks NASA to lay out its plans for humans to reach Mars.

The Final Countdown at Saturn

Planetary Radio’s most frequent guest, Project Scientist Linda Spilker, returns with another update on the Cassini mission that is approaching its grand finale.

Ben Miller Says The Aliens are Coming!

We are joined by British physicist turned comedian and actor Ben Miller, author of The Aliens are Coming! The Extraordinary Science Behind our Search for Life in the Universe.

Leading the Search: Bill Diamond of the SETI Institute

The SETI Institute is about much more than the Search for Extraterrestrial Intelligence. President and CEO Bill Diamond of the Institute explains.

To Mars! With National Geographic

The National Geographic Channel’s “Mars” miniseries has begun. Mat Kaplan attended a kickoff for the ambitious docudrama last summer. You’ll hear from series technical advisor Bobby Braun, author of “The Martian” Andy Weir, Cosmos creator Ann Druyan and more.

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