NASA's Curiosity Mars team has recently obtained a second soil sample from an outcrop of the Murray formation, the geological unit of Mount Sharp on Mars. Through analysis of the soil samples, scienti...
Read MoreFour new craters in the Siberian permafrost in northern Russia are raising fears that global warming may be causing underground gas explosions. Scientists are still investigating the causes for the cr...
Read MoreThe Appalachian mountains form a 1500 mile long almost straight chain running from Alabama to Newfoundland. The interesting bend observed in Pennsylvania and New York State was recently explained...
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