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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.

Olympus Mons — 111 Places in Space That You Must Not Miss

A cosmic travel guide: 111 Places in Space That You Must Not Miss

Join host Sarah Al-Ahmed and Mark McCaughrean, adjunct scientist at the Max Planck Institute for Astronomy, for a tour of “111 Places in Space That You Must Not Miss”, a cosmic travel guide to the Universe.

Philae on the comet

2014: The Year We Landed on a Comet

Not just landed. Orbited, too. European Space Agency Senior Science Advisor Mark McCaughrean helps us celebrate the Rosetta orbiter and the Philae lander.