An Islamic State militant, left, stands next to Raqqah residents Sept. 16 as they hold pieces of wreckage from a Syrian war plane after it crashed in the northeast Syrian town.
President Obama signs H.J. Res 124, which includes appropriations to train and arm moderate Syrian rebels. For now, the effort will be paid for from an account meant to wind down the war in Afghanistan.
Scientists and engineers at the Indian Space Research Organization (ISRO) monitor the Mars Orbiter Mission (MOM) in Bangalore, India on Sept. 15. MOM is expected to enter into Mars orbit on Wednesday.
Jagadeesh NV /Landov
A plane flies over the Bardarbunga volcano as it spews lava and smoke in southeast Iceland on Sept. 14. The Bardarbunga volcano system has been rocked by hundreds of tremors a day since mid-August, prompting fears the volcano could explode.
Bernard Meric/AFP/Getty Images
Students and teachers attend a rally during the class boycott at the Chinese University of Hong Kong on Monday. Thousands of students have braved sweltering heat to demand greater democracy for the territory.