China's reusable Shenlong space plane launched on its fourth space mission earlier this month. What is it doing in Earth ...

The United States Space Force has been testing its top-secret Boeing X-37B space plane for over a decade. Two versions of the ...

One of the fundamental constraints in expanding commercial space activity remains the cost of placing mass into orbit with ...

Astroscale is building a refueling vehicle, partially funded by the Space Force, and preparing for its first mission in geostationary orbit. The spacecraft, called Provisioner, will attempt hydrazine ...

While NASA celebrated the launch of its first Space Shuttle in 1981, the Soviet Union was racing to build its own orbital ...