The next test flight of SpaceX’s Starship spacecraft and Super Heavy booster could take off as soon as Thursday, and much of the hour-long mission will look a lot like the last Starship flight in May.

We don’t need any advanced propulsion to get to Mars,” says Robert Zubrin, founder of the Mars Society and the astronautical engineering company Pioneer Astronautics. “We can do it with chemical ...

Japan has conducted a first test flight for its reusable rocket. The flight on Saturday comes as the country seeks to achieve ...