The future of Boeing's Starliner spacecraft remains marked by uncertainty now that its crew of two astronauts has finally returned to Earth on another company's vehicle. Officials at Boeing no doubt ...

NASA’s acting administrator Shawn Duffy said he was opening the SpaceX lunar lander contract to more competition because ...

Sometimes progress in space science does not arrive with a flash. It comes quietly, through patient observation, and then settles into place. That is .

A suggestion made last week by acting NASA administrator Sean Duffy that SpaceX could be booted from the agency’s upcoming moon-landing plans has rocked the space industry. Now, behind the scenes, ...

NASA scientists are warning that the Sun’s internal engine is behaving in ways they have not seen in years, pointing to an abrupt shift in the star’s magnetic and energetic rhythms that drive space ...

Under the current plan, NASA would launch its astronauts aboard the Orion capsule atop the Space Launch System rocket, both of which NASA developed. After reaching lunar orbit, the astronauts would ...