Chris Marone Penn State University Latest articles by Chris Marone Mystery Behind Weak Earthquake Faults Solved By Chris Marone published 26 March 10 Earthquakes Sign up for the Live Science daily newsletter nowGet the world’s most fascinating discoveries delivered straight to your inbox.Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors LATEST ARTICLES1China uses 'gravitational slingshots' to save 2 satellites that were stuck in the wrong orbit for 123 days2Scientists spot a 'dark nebula' being torn apart by rowdy infant stars — offering clues about our own solar system's past3Mass graves of Black Union soldiers slaughtered by Confederate guerrillas possibly identified in Kentucky4Mystery of Bolivian 'zombie' volcano finally solved5Scientists discover 2 new species of crocodile hiding in plain sight