Lindley Johnson is NASA's first-ever Planetary Defense Officer. He previously held the title of Near Earth Object Programs Executive in the Planetary Sciences Division. Lindley was also formerly the Program Executive at NASA Headquarters for the EPOXI mission.
Latest Planetary Radio Appearances
The head of NASA’s planetary defense program discusses how the DART mission represents a new era for defending our planet from dangerous asteroids.
The dinosaurs regret their lack of a space program. 200 million years later, humans are gearing up to defend themselves from a species-ending rock.
Leaders of the quest to find, understand and protect ourselves from the asteroids and comets called Near Earth Objects gathered with host Mat Kaplan for a live conversation about this existential threat from space.