FLORIDA — The four civilian crewmembers of the Polaris Dawn mission had a successful splashdown during the pre-dawn hours of Sunday after spending five days orbiting Earth and conducting the ...

Scroll down to read live updates from the launch of the SpaceX Commercial GTO 1 mission, which lifted off at 1:04 a.m. July ...

Polaris Dawn is not your typical astronaut mission, nor are these typical astronauts. Three years ago, entrepreneur and Shift4 founder Jared Isaacman commanded Inspiration4 − the first all ...