The asteroid, dubbed 2024 YR4, was detected by NASA's Asteroid Terrestrial-impact Last Alert System on Dec. 27, 2024. According to researchers , it has about a 1-in-83 chance of impacting our ...
OSIRIS-REx launched in September 2016 and traveled 200 million miles (320 million kilometers) to reach Bennu. Once there, the spacecraft orbited the asteroid for nearly two years as flight ...