As NASA’s moon-landing plans with SpaceX hang in the balance, other bold ideas are quietly starting to take shape.

SpaceX posted a response to criticisms of delays in its Starship program from NASA acting Administrator Sean Duffy.

SpaceX said it has pitched NASA a "simplified mission" to put astronauts back on the moon following criticisms over delays by ...

The ISS has been a symbol of research and cooperation for decades, but NASA has plans to deorbit the station in 2030, likely ...

"We've shared and are formally assessing a simplified mission architecture and concept of operations that we believe will ...

The ISS has “come into its own as a very sophisticated scientific laboratory,” says retired NASA astronaut Scott Kelly, who ...

SpaceX on Thursday released the most detailed public update in nearly two years on its multibillion-dollar contract to land ...

SpaceX defended Starship and said it is assessing a simplified moon mission architecture, with a propellant transfer test ...

Humans have been in space onboard the ISS continuously for 25 years. As the station nears its end, new commercial habitats are lining up to take its place ...

China held a send-off ceremony on Friday for a new crew of astronauts set to depart for its space station, including its ...

Archaeologists have studied how astronauts use the International Space Station to improve its potential future successors.

The spacecraft flew to space atop Japan’s H3 rocket, replacing the H-II launcher family used for Japan’s previous resupply missions to the ISS. The H3 and HTV-X are both manufactured by Mitsubishi ...