Are you sleeping a little easier knowing we're keeping an eye on potential cosmic intruders? Ever since man first looked up at the stars, the fear of an asteroid impact has loomed large. Thankfully, experts like Lindley Johnson, a titan in planetary defense, are on the case.

As the trailblazer behind NASA's Planetary Defense Coordination Office, established in 2016, Johnson's work is essential in formulating responses to threats posed by asteroids and comets. With over three decades of experience in the field—first as a U.S. Air Force officer and later at NASA—he's dedicated to safeguarding our planet from extraterrestrial dangers.

In an exclusive chat, Johnson revealed pivotal insights about the evolution of global asteroid defense.

A Legacy in Planetary Defense