The likelihood of asteroid 2024 YR4 hitting Earth in 2032 rose and fell last week. NASA's impact odds are now so slim that ...
Asteroid 2024 YR4 has a 1 in 360 chance of hitting Earth at the time of writing. | Credit: Dottedhippo via Getty Images NASA has downgraded the threat level of potential city-killer asteroid 2024 YR4.