NASA has all but ruled out asteroid 2024 YR4 as a danger to Earth, reducing its impact probability to just 0.004% in 2032.
NASA's Lucy spacecraft, on its way to Jupiter's Trojan asteroids, has its next target in its sights: the main belt asteroid 52246 Donaldjohanson. Currently 45 million miles (70 million kilometers) ...
NASA awarded SpaceX a $100 million contract to launch a new satellite that could monitor extraterrestrial threats to the ...