NASA, Earth and asteroid

“Serpent Mound is the largest serpent effigy built anywhere on the planet Earth,” O’Grady said. “Serpent Mound is built up on ...
NASA’s DART mission tested asteroid deflection. Scientists analyzed ejecta patterns, momentum transfer, and deflection ...
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) ...