Fear of 'others' is a deeply human experience that tends to intensify under threatening conditions.
A boy and his dog trek from war-torn Syria to Greece.
The photo of a dead toddler on a beach is the latest in a history of powerful images that hit humanity in the gut.
The modern tank is a far cry from the war machines that first rolled out into the trenches in World War I.
Islamic State militants blew up the ancient temple of Baal Shamin in Syria -- and have now released photos of the devastation.
The end of World War II brought a combination of relief, joy and solemnity for the Americans in victory.
As climate change worsens, water will become more scarce and potentially lead to resource wars. So, what's being done to prevent water wars?
Drought has pushed major civilizations to their breaking point and beyond.
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