but its design served as the foundation for what eventually became the Air Force's X-37B. The post Space Force's Boeing X-37B ...

Spacecraft burn tons of fuel and leave behind debris—but a clever technique called aerobraking could fix both problems.

After launch, an apparent propellant leak entered its suborbital trajectory left Starship spinning and mission control unable ...

Get live updates on the Starship rocket launch from SpaceX's Starbase headquarters in Texas. See what time it launches, where ...

Much was riding on Flight 9 for Elon Musk’s giant moon and Mars rocket after debris from January and March flights fell into ...

That leaves thinner air at the edge of space. The problem is that atmospheric density is the only thing that naturally pulls space junk out of orbit. Earth’s atmosphere doesn’t suddenly give ...

Houston, we have a homecoming. After nine months stranded in space, NASA astronauts Butch Wilmore and Suni Williams made their return to Earth in a SpaceX capsule on Tuesday. The capsule splashed ...