Three Chinese astronauts’ return to Earth has been postponed owing to weather conditions. The astronauts, Cai Xuzhe, Song ...

A veteran NASA astronaut just back from the International Space Station believes the orbiting facility can operate well past ...

Before humans reach Mars, NASA wants to test its long-duration spaceflight capabilities by sending a crewed mission to a near-Earth asteroid. Using SpaceX’s Starship and Falcon Heavy, three astronauts ...