Space.com on MSN
Trivia in orbit: How well do you know the ISS?
This quiz will test your grasp of everything from orbital mechanics and international partnerships to basic facts about the ...
Amazon S3 on MSN
OTD in Space - October 4: Sputnik 1 Becomes 1st Human-Made Satellite to Orbit the Earth
On Oct. 4, 1957, the Soviet Union launched Sputnik 1, the satellite that started the Space Race. Sputnik 1 was the first ...
The startup Reflect Orbital aims to keep solar farms running at night by reflecting sunlight from space and has sparked ...
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