While SpaceX lost the upper stage of its new Starship in a flight test, the futuristic spacecraft presages a spaceflight revolution, says a leading U.S. space scholar.

The SpaceX Crew-9 astronauts, including two crew members formerly aboard Boeing's Starliner spacecraft, moved their Crew ...

As the Trump administration returns to power, NASA faces a crossroads that could redefine its mission for decades to come.