If you're interested in efforts to catalog and even deflect asteroids that might hit Earth: https://b612.ai/ https://b612.ai/ The ".ai" stands for "Asteroid I

If you're interested in efforts to catalog and even deflect asteroids that might hit Earth: https://b612.ai/ https://b612.ai/ The ".ai" stands for "Asteroid Institute." It was started by two former astronauts, Ed Lu and Rusty Schweickart.