Season Two, Episode 7: Planet Asteroid

In this season 4 finale, Gentry Lee and Rob Manning reveal how surprises, hidden flaws, and uncertainties have always been a part of rovers and the exploration of Mars. 

Aaron Yazzie and others explain how, by scooping dirt and drilling rocks, rovers are digging deeper into the mysteries of Mars. 

What do we know about the planets outside our solar system? NASA planet hunters Jessie Christiansen and Knicole Colon take us beyond...into the exciting world of exoplanets.   

Astronomy Cast Ep. 692: Mission Roll Call Part 1: Earth Orbit by Fraser Cain & Dr. Pamela Gay It's time for another series! This time we're gonna look at the missions that're currently in place across the solar system. Today we'll start with the key missions here on Earth, studyi ...  Show 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 Pl ...

How did the planets form? How did life happen? Where did Earth’s water come from? To answer questions like these, scientists used to go big—looking at planets, dwarf planets, and moons—but now small is the new big. Technology is zooming in on the pint-size stuff—asteroids, comets ...  Show more