A “city killer” asteroid experts feared was on a crash course with Earth is now expected to miss the planet — but it still has a chance of smashing into the moon.

NASA says the chances of an asteroid dubbed ‘2024 YR4’ hitting the lunar surface have doubled since February. The odds of an asteroid recently discovered by scientists hitting the Moon are increasing, and the prospect has astronomers excited instead of alarmed.

YR4, first discovered in December 2024, triggered a first-ever notification from the International Asteroid Warning Network (IAWN) on January 29, 2025. The early calculations predicted an impact probability of 1.