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Mercury Crater

'Impossible' Volcanoes Helped Shape Planet, Scientists Say | Charles Q. Choi | Posted 04.17.2014 | Science

Explosive volcanic eruptions apparently shaped Mercury's surface for billions of years — a surprising finding, given that until recently scientist...

LOOK: Guess Who!

Posted 10.12.2012 | Science

By: Clara Moskowitz Published: 10/12/2012 02:18 PM EDT on It turns out, 'C' is for crater, and not just cookie. An impact basin spott...