OSIRIS-REx Readies for Asteroid Bennu

Dante Lauretta heads the most ambitious mission to an asteroid ever mounted. With one year left till launch, he returns to Planetary Radio with an update. Emily Lakdawalla marvels at the best New Horizons Pluto images released thus far. Bruce Betts and Mat Kaplan are back from their flight on the SOFIA 747 with a game to give away. “Xtronaut” lets you manage your own robotic mission across the solar system.