Pakistan attack raises tough question: should teachers shoot back?
Some are wary of arming teachers and encouraging them to engage in battle, as it goes against the ideals of the profession
U.S. agencies say 2015 was hottest on record, shatters records
Pressure rises for deep emissions cuts scientists say are needed to arrest warming disrupting global climate
Militants storm Pakistan university, kill at least 20
Four gunmen enter school campus under cover of fog, many victims shot execution-style in the head
Pakistan, China, U.S. urge Taliban to rejoin Afghan peace talks
Taliban, who now control or contest more territory than at any time since 2001, will not attend the talks
Suicide bomber kills 13 people in eastern Afghanistan: officials
Attack reportedly happened at home of tribal elder in Jalalabad as people celebrated his son's release from Taliban captivity
Nine bodies washed up on Turkish coast as migrants keep crossing
While winter crossings are even riskier than in summer, thousands are still attempting to make them
Suicide bomber kills at least 15 outside Pakistan polio centre
Explosion ripped through police van at the centre, killing at least 12 policemen, one paramilitary officer and one civilian