Moria camp on the Greek island of Lesbos was designed to hold 2,000, but it is currently home to more than 6,000 refugees and migrants. Doctors working at the camp have seen a growing number of children suffer upper respiratory tract infections, colds, coughs, diarrhea and other illnesses associated with cramped and unsanitary conditions.

Forget about Facebook, Twitter or WhatsApp if you're in the Yemeni capital Sanaa. Houthi authorities there have blocked social media while increasing security across the city. A resident tells what it's like to live under lockdown conditions.

The assassination of Yemen's former president was unexpected. An investigator who studied — and met — Ali Abdullah Saleh fills in some of the history of Yemen's most powerful man.

Election officials are expected to announce the presidential election winner on Friday night, six days after the election.

Some of Saudi Arabia's wealthiest and most prominent figures are being held inside the Ritz-Carlton hotel in Riyadh, as part of what's being dubbed an anti-corruption crackdown by Saudi's Crown Prince Mohammed bin Salman. The BBC's Lyse Doucet is the first journalist allowed inside the hotel.

President Nixon's unexpected visit to communist China in 1971 changed its relationship with the US.

Laicie Heeley, host of new PRI podcast Things That Go Boom, answers big questions looming after North Korea successfully launched an ICBM with range to strike the United States.

The target of the massacre in Egypt on Friday was a Sufi mosque. But just what is a Sufi? And why are they being targeted by apparent ISIS sympathizers?

Pope Francis arrived in Yangon, Myanmar on Monday. The UN and the US have accused the country of ethnic cleansing of Rohingya Muslims, and the question on many peoples' minds is whether the pope will use the term "Rohingya" to describe the group.

Refugees crammed onto rickety boats for the trip from Libya to Italy are increasingly being intercepted and sent back to Libya.