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Space Travel and Exploration

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Clay Dillow via PopSci.com

The head of Russia’s space agency Roscosmos--you know, the one that hasn’t enjoyed a lot of success lately--isn’t sure exactly why Russia’s doomed Phobos-Grunt mission failed to fire its engines and escape Earth’s orbit on a trajectory for Mars.

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ClayDillow via PopSci.com

Here at PopSci we don’t like to spread rumors. And that’s how I generally like to start off a post wherein I intend to propagate some kind of hearsay rooted mostly in speculation. Hearsay like this: America’s X-37B spaceplane

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