Interesting Engineering on MSN
US declassifies secret 1970s spy satellites that tracked Soviet threats for decades
The US National Reconnaissance Office (NRO) has just declassified a pioneering spy satellite program ...
The Aviationist on MSN
NRO Officially Declassifies JUMPSEAT First Gen Signals Intelligence Satellites
Launched between 1971 and 1987 primarily to collect intelligence data on foreign weapon testing, the last satellites in the JUMPSEAT family were withdrawn from service in 2006. A memorandum dated Dec.
Astronomers have found thousands of exoplanets around single stars, but few around binary stars—even though both types of stars are equally common. Physicists can now explain the dearth.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results