NASA makes big update on impact risk of 'city-killer' asteroid - Chron

NASA makes big update on impact risk of 'city-killer' asteroid  ChronWill That Asteroid Strike Earth? Risk Level Rises to Highest Ever Recorded.  The New York TimesHawaii astronomers announce asteroid impact probability updates  Hawaii News NowNASA massively lowers impact risk of 'city-killer' asteroid 2024 YR4 to 1 in 360  Space.comAsteroid 2024 YR4 now unlikely to hit Earth — but scientists are ready for future threats  Nature.com