Top US diplomat calls on PA to stop inciting violence, urges Israel to help strengthen Palestinian economy

Foreign Minister Khalid Al Attiyah warns that current violence could become ‘worst intifada so far’

Gas trapped during formation of solar system 4.6 billion years ago calls into question belief that oxygen signals life

Rioters throw rocks, Molotov cocktails at soldiers near fence, one said moderately injured after Israeli troops return fire

Michelle Obama to visit Qatar, Jordan next week as part of global initiative for girls

In Jerusalem’s Haddassah hospital, top physicians put aside differences to heal the wounded, The Washington Post reports

Hundreds of fighters from Dagestan have joined jihadist ranks; local poverty and unemployment in Muslim region are partly to blame

Penny Pritzker accompanied by wife of Ukrainian president on trip to Bolshi Prytsky outside Kiev, visits religious chool