The iridescent cloud reveals new clues about ice formation in the Martian atmosphere (no little green men, sorry).

Meet Grace, the brave hopper robot that’s designed to jump into the darkest depths of the Moon, providing never-before-seen views of permanently shadowed craters near the lunar south pole.

Along with Blue Ghost, NASA launched the Tenacious lunar rover from Japanese company ispace. It's one of the smallest ...

Blue Ghost will spend the next 16 days in lunar orbit, if all goes to plan. It will conduct additional engine burns to circularize its path around Earth's nearest neighbor, then attempt a landing in ...

NASA’s Curiosity rover captured stunning images of Martian twilight clouds, revealing iridescent dry ice formations on Mars.