The White House has launched a coordinated federal initiative to deploy nuclear reactors in space, directing NASA and the ...

NASA may have no choice but to postpone the launch of its next mission to land astronauts on the moon by more than a year. Growing pains for SpaceX's massive Starship rocket over the past year have ...

"It's 13 minutes of things that have to go right," NASA said of the reentry and splashdown, the first with astronauts from ...