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

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

Fifteen years ago today, the roar of engines and a pillar of fire lit up the Florida sky as Space Shuttle Discovery began its final journey into space.

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 ...

When a piece of foam struck Columbia’s wing in 2003, the damage went unnoticed until reentry tore the shuttle apart over Texas. In the months that followed, investigators examined a chilling ...