We Asked a NASA Expert: Is NASA Aware of Any Earth-Threatening Asteroids?
Is NASA aware of any Earth-threatening asteroids? Luckily there are no known asteroid threats to Earth for at least 100 years. But that doesn't mean we're not looking. Asteroid expert Davide Farnocchia of our@NASA Jet Propulsion Laboratory breaks it down. Learn about how we track asteroids: https://www.nasa.gov/asteroids Producer/Editor: Jessica Wilde Producer: Scott Bednar