Only two of the original four members of SpaceX Crew-9’s mission to the International Space Station arrived to Kennedy Space ...

During an equinox, places around the globe experience nearly equal amounts of daytime and nighttime. The second occurrence ...

Planetary scientists are confident this moon of Jupiter harbors a deep ocean. A looming question is whether it hosts the ...

This May, engineers working on NASA's Europa Clipper discovered a problem with the spacecraft and had to scramble to get it ...