Americans are concerned about what a nine star flag means in place of the standard 50 stars and 13 stripes on the American ...

"Americans are explorers, builders, innovators, entrepreneurs and pioneers. The spirit of the frontier is written into our ...

Even if the flags have remained standing when crews rocketed off the moon, it is almost certain that they are not in the same condition as when they were first deployed on the lunar surface.

Mr. Trump left a number of specifics unsaid, including what the new initiative would mean for NASA’s existing moon program, when astronauts would get to Mars and what other NASA programs might ...

Much of this revolves around the Space Launch System (SLS), NASA's heavy-lift rocket with contractors and suppliers spread across the country. China, meanwhile, has set its sights on landing in the ...