21 episodes

Hear the stories behind the exploration of outer space.

On a Mission NASA

    • Science

Hear the stories behind the exploration of outer space.

    Season Two, Episode 10: Comets: A Love Story

    Season Two, Episode 10: Comets: A Love Story

    Eugene and Carolyn Shoemaker’s love of exploration changed our understanding of the cosmos.

    Season Two, Episode 9: Hunting in the Dark for Monsters

    Season Two, Episode 9: Hunting in the Dark for Monsters

    Finding black rocks in the darkness of space isn’t easy, but new methods could help spot them all.

    Season Two, Episode 8: Diamonds in the Ice

    Season Two, Episode 8: Diamonds in the Ice

    Every year, intrepid Antarctica explorers hunt for space rocks that have fallen to Earth.

    Season Two, Episode 7: Planet Asteroid

    Season Two, Episode 7: Planet Asteroid

    What’s in a name? Whether you call it a planet or an asteroid, missions that explore small worlds are always exciting.

    Season Two, Episode 6: The Prospects of Heavy Metal

    Season Two, Episode 6: The Prospects of Heavy Metal

    Asteroids, ho! Pioneering space miners dream of Psyche, the largest metal asteroid in the solar system.

    Season Two, Episode 5: Catch a Falling Star

    Season Two, Episode 5: Catch a Falling Star

    Why are missions like OSIRIS-REx bringing pieces of an asteroid back home?

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