The planet that the asteroid was once a part of contained a salty ocean. Scientists found 11 minerals in the samples, but more importantly, they found 14 out of 20 key building blocks for life -- at ...
Estimated to be about 130 to 300 feet wide, Asteroid 2024 YR4 grabbed the attention of astronomers when it rose on the NASA automated Sentry risk list on December 31, 2024.