A Russian space satellite that U.S. officials tie to its nuclear anti-satellite weapon program seems to be spinning ...

Since the 1980s, a secret space fleet code named 'Solar Warden' has been in operation unknown to the public. A fleet of 8 aircraft carrier size motherships and 43 scout ships that patrol and ...

This meant that even secret NRO satellites didn't go unnoticed ... order to in some way set it apart from the Soviet Union's space program. By functioning as a civilian government organization ...

Because STS-27 was—and remains—a secret mission ... who flew in space to observe military targets on the ground, under a program known as Terra Scout. The following year, the existence ...

On Sunday, the U.S. Space Force and the National Reconnaissance Office (NRO) conducted another secret launch of a classified ...

For years now, the program to develop the X-37B ... be a bad idea to update the terms of the Outer Space Treaty and include some articles about secret spy spaceplanes!

One of the Air Force's two secret X-37B space planes announced its re-entry to Earth with a loud sonic boom. The plane is part of the Air Force's X-37 program. Not much is known about this program ...