Last year was the hottest year ever recorded, marking the third year in a row that average global temperatures hit record-setting levels, NASA and NOAA said Wednesday.
Nigeria's President Muhammadu Buhari offered his condolences to the families, labeling the bloodbath a "regrettable operational mistake."
Photographer Dimitar Dilkoff documented Iraqi special forces pushing deeper into ISIS-held districts in eastern Mosul.
A series of three strong earthquakes hit central Italy on Wednesday. The strongest had a magnitude of 5.7.
In a major speech to the World Economic Forum, the vice president warned of Russian interference in the democratic process.