For years, Israel has considered rocket fire from Gaza to be the largest security threat. But now the Jewish state is more worried about what's going on below.
Palestinians in northern Gaza fled south as Israeli tanks rolled over the border. A hospital for the disabled took a direct hit in a stepped-up Israeli bombardment.
Twitter and Facebook have suspended several accounts used by Hamas. But neither Palestinian militants nor Israeli forces have paused their social media campaigns to sway public opinion.
While Hamas has built an extensive network of underground tunnels and bunkers since 2009, it hasn't built infrastructure for protecting civilians.
A UN-brokered lull of fighting today gave residents in Gaza a chance to stock up after more than a week of Israeli bombardment. Fighting quickly resumed after the cease-fire ended.
The wife of the first scientist to be assassinated speaks about her husband's growing fear of a net closing around him – and of meeting his Israeli-trained assassin before his execution.
The ascendancy of the Islamic State, an extremist Islamist group that has overrun swathes of Iraq and Syria, is forcing fighters in other rebel groups in Syria to defect or try to melt into civilian population.
Anonymous Israeli artists have graffitied the names and ages of some of the nearly 200 Palestinian casualties to make sure Israelis notice the growing death toll in Gaza.
Syrian President Bashar al-Assad was sworn in today for his third, seven-year term in power. He vowed to crush his opponents and pronounced the 'death' of the Arab Spring.
The Israeli prime minister and Palestinian Authority president have both argued for restraint – and are paying the price.
The Lebanese militant organization is sending a small unit to assist Iran, its sponsor, in training Iraqi Shiite militia. Fighting in Syria and spillover onto Lebanese soil take priority for now.
The Israeli military says it goes above and beyond the requirements of international law to protect civilians. Israeli and international human rights groups disagree.
Hamas faced a choice between a cease-fire that met almost none of its conditions or rejection that gave Israel diplomatic cover for further escalation.
Israeli and Palestinian parents living under fire struggle to answer their children's questions about why the rockets and air strikes are back after a two-year hiatus.
The thousands of Syrian detainees released from regime prisons after President Assad declared a general amnesty last month now fear re-arrest. One man shares his story.
Egypt brokered a successful 2012 ceasefire between Israel and Hamas. Its new rulers, who ousted an Islamist president last year, may be less keen on helping Hamas this time.
While volunteers have signed up to defend Shiite shrines in Iraq, Iran is leery of entanglement and suspicious of US motives. Iraq's parliament remains deadlocked on forming a new government.
Women and men cheer on their teams while watching the World Cup on TV in Tehran. But if the games were hosted in Iran, women would be barred from attending.
Hamas's popularity is soaring with every rocket launch, but some Palestinians say they are bringing destruction upon Gaza for their own political interests.
Independence for Iraqi Kurdistan is looking inevitable, with Kurdish fighters seizing more territory from Iraq's central government today. But one key Kurdish faction is wary of going it alone.