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Curiosity's fascinating photos of the Martian landscape pose new questions for NASA scientists
Tired of the violence from the drug wars, citizens of Guerrero State take community policing into their own hands.
Francis makes a historic visit to an impoverished neighborhood on a busy day in Rio de Janeiro
Allegations that security forces fired on members of the Muslim Brotherhood
The $2.5 billion expected from gold in 2013 will help offset the loss of oil income after South Sudan became independent
A massive blaze cripples Africa's biggest transport hub
A devastating fire spreads across thousands of acres
Residents -- human and panda -- finds ways to adapt as country faces hottest temperatures in 140 years
Over 550 exhibitors from around the world display the latest in unmanned systems
After a disastrous train crash kills six, a look at the risks taken to reach the US. Photographs by John Moore/Getty
Conditions improve as the demand for hard labor rises after Hurricane Sandy. Photos by Andrew Lichtenstein
Bassem Abu Rahmah was killed while demonstrating against the annexation of his village's land
Warning shots are fired, two activists arrested as group attempts to scale an oil platform in the Arctic