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  • “Exploration is in our nature.” - Carl Sagan

Planetary Radio Episodes

Since 2002, Planetary Radio has visited with a scientist, engineer, project manager, advocate, or writer who provides a unique perspective on the quest for knowledge about our Solar System and beyond. The full show archive is available for free.

Cameras capture Artemis II's launch

Artemis II launches to the Moon

Four astronauts are on their way around the Moon for the first time in over 50 years. This week on Planetary Radio we bring you the sounds of launch day and the voices of the people who made it happen.

View of Earth out of Orion's window

Going to Sea to Sail Through Space: Orion Ocean Recovery Testing

Join Mat Kaplan on a visit to Naval Base San Diego and the USS Anchorage, the amphibious ship that has just completed a round of Orion spacecraft recovery testing and practice.