June 30 may be International Asteroid Day, but at NASA, every day is asteroid day! So what do we know about the asteroids that are in Earth's neighborhood? A whole lot. Planetary defense — which includes finding, tracking, and characterizing near-Earth objects — is part of our mission at NASA. This video highlights the count of what humanity has discovered so far.

Explore more about NASA's planetary defense efforts: https://www.nasa.gov/planetarydefense