NASA is tracking a truck-sized asteroid which is set to hurtle by Earth today at many times the velocity of a speeding bullet ...
The asteroid, designated 2024 YR4, jumped to the top of NASA's risk chart, with a slim but measurable chance of striking ...
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 ...