The quiet hours before a rocket launch always carry a sense of hope, especially when a mission aims to answer old questions about a distant world. That feeling is strong as NASA gets ready to send a ...

Not only do satellite clocks need to be adjusted as they are placed in higher orbits, the Americans want the Moon to be given its own special time zone because time there runs 56 microseconds per day ...

NASA's Perseverance rover can now pinpoint its exact location on Mars without help from Earth, paving the way for longer, more autonomous exploration.

NASA is preparing to launch a pair of identical satellites on a mission that will deepen humanity’s understanding of Mars — and perhaps help pave the way for future astronauts. Known as ESCAPADE, the ...