Over half of the 7.5 billion humans on Earth live in just seven countries. What will the planet's population picture look like in 2100?

The way we offer assistance to people fleeing conflict no longer works, says Paul Spiegel, a former director of program management at the U.N. refugee agency. He has a few ideas about how to fix it.

Researchers interviewed 4,830 men in the Middle East and came to some surprising conclusions.

The children, all under age 5, died of severe sepsis and toxicity. How could something like this have happened?

Researchers are split on the issue. We asked our audience to weigh in.

The name may be silly, but Red Nose Day — which is today — has a serious mission. How do charity evaluators size up this campaign?

The matter of foreign aid has taken on renewed urgency in the Trump administration. And it turns out it isn't easy to figure out whether it's effective.

That's how health aid is now allocated in the developing world. Should more money go to old people with chronic diseases? Our audience shares their views.

Esther Afua Ocloo, a microfinance champion who got her start making marmalade, is the star of today's Google Doodle.

Morphine, like other opiates, is controversial. It poses risks. But for some patients, like a man in India who's profiled in a short documentary, the painkiller offers hope.

The State Department has honored Botswana's Malebogo Malefhe as a "woman of courage" for inspiring others to stand up to domestic abuse.

A report from the U.N. Refugee Agency shows some surprising trends in the world's refugee crisis.

'What will they say about you?' It's the name of a new Nike ad targeted to Arab women.

International Women's Day has taken on a life of its own. Here's how it's celebrated around the world.

Martin Roemers and his camera traveled to 22 megacities — population 10 million or more — from Lagos to Los Angeles.

With facts, toys and good humor, the Swedish doctor and statistician helped people understand what numbers tell us about the world.

The order will have a direct impact on the thousands of international aid employees who travel from country to country to provide life-saving aid.

There are just three candidates left in the race for WHO director-general. In a press briefing, they talked about their credentials.

It's a shocking statistic about global inequality that's made worldwide headlines. But some economists don't think it tells the whole story.

Duncan Green, a 35-year veteran of social justice and the author of a new book called 'How Change Happens,' says the real work happens after a protest.