Astronomers identified a potentially hazardous asteroid traveling 38,700 mph, measuring between 130 and 300 feet wide, and a slim chance of hitting Earth.
The asteroid, designated 2024 YR4, jumped to the top of NASA's risk chart, with a slim but measurable chance of striking ...
NASA's OSIRIS-REx mission successfully returned samples from asteroid Bennu, revealing 14 of the 20 essential amino acids for ...