"The successful performance of our thruster in this test demonstrates real progress toward sending an American astronaut to ...

Inside a long vacuum chamber in Southern California, a spacecraft engine glowed white-hot as it pushed toward a level of ...

A technology that could propel crewed missions to Mars and robotic spacecraft throughout the solar system was recently put to ...

Scientists edge closer to answering Mars’ biggest question: Did life ever exist on the red planet? Here's the latest from two ...

Only companies that worked on the Mars Sample Return program need apply, narrowing the field to a handful of space industry heavyweights. NASA is looking for ways to improve the communications network ...