What is NASA’s strategy to spot and stop ‘dangerous asteroids’ from hitting Earth?

Can an Asteroid Hit Earth? NASA Is Watching Closely

In February 2024, asteroid 2024 YR4 made headlines. NASA said it had a 3% chance of hitting Earth in 2032 the highest ever for an asteroid of its size. However, thanks to new data, the risk is now nearly zero. Still, the event shows why NASA’s space watch is so important.