Asteroid 2024 YR4: NASA proposes 'blowing up' hazardous space rock to protect moon and satellites

Astronomers are observing asteroid 2024 YR4. It may hit the Moon in 2032. A lunar impact could send debris toward Earth. This ...

Why Scientists Are Planning To Blow Up An Asteroid That May Never Hit The Earth

With no atmosphere to slow it down, asteroid 2024 YR4 could carve a 1-km-wide crater—the largest fresh lunar scar in 5,000 years—if it strikes the Moon.