Trump aims to send a crew to Mars by the end of his term, which Musk calls 'doable.' Astronauts question the time frame but said a flight would soon be possible ...

"This test confirmed that all components — software, mechanical linkages, and control laws — work together as intended." ...

As it flew up toward the International Space Station last summer, the Starliner spacecraft lost four thrusters. A NASA ...

SpaceX's Starship megarocket, the world's most powerful rocket, is officially on NASA's list for future launches.