After several tests of unusual “nesting doll” satellites in low-Earth orbit, Russia is now fielding operational anti-satellite weapons with valuable US government satellites in their crosshairs, the ...

Editor's note: The video above is from August when the vehicle broke its own record for most days in space. An unmanned U.S. Air Force space plane returned to Earth Sunday morning after more than two ...

A new home for the U.S. Space & Rocket Center’s famed A-12 Oxcart is slowly taking shape. The retired Lockheed spy plane, recently restored, is temporarily parked on the west end of the museum’s ...

Add Yahoo as a preferred source to see more of our stories on Google. FILE PHOTO - A SpaceX Falcon 9 rocket carrying a classified X-37B military space plane on its eight mission called USSF-36 and ...