NASA Administrator Bill Nelson is confident the agency's human spaceflight future is bright, despite the inherent difficulty of the endeavor and some challenging internat...

The rover "captured, sealed, and stored the first core sample ever drilled on another planet, in a quest to return samples to Earth," NASA said.

NASA Administrator Bill Nelson's trip to the agency's Johnson Space Center in Houston this week brought back memories of his first visit to the home of U.S. human spacefl...