How to Stop a Killer Asteroid from Hitting Earth

A lecture exploring how science and engineering can protect Earth from city-destroying asteroids through NASA's Double Asteroid Redirection Test (DART). Discover the reality of our cosmic threat - with approximately 25,000 "city killer" asteroids in near-Earth orbit, most still undetected. Volcanologist and science writer Robin George Andrews explains how an international team successfully crashed a spacecraft into an asteroid, altering its orbit and proving humanity can defend against these threats. Learn about the world's first planetary defense test and the collaborative effort to safeguard our planet by literally rearranging the night sky. This 52-minute presentation from The Royal Institution was recorded on February 1, 2025, and complements Andrews' book "HOW TO KILL AN ASTEROID."