There’s still a 1.7 percent chance that asteroid 2024 YR4 could hit the moon on Dec. 22, 2032, according to NASA.
Initially, the odds of a collision in 2032 were as high as 3 percent, making it a top concern on global asteroid risk lists.
Could an asteroid hit Earth in 2032? NASA says there's a chance, but the odds keep changing. We asked two experts to break it ...