Nurith Aizenman

And half the world's population doesn't even have access to essential health services, according to a report from the World Bank and the World Health Organization.

The latest data on deaths by gun violence shows how the U.S. ranks among rich nations and lower income countries.

This year, a top actress was kidnapped and sexually assaulted. No one thought she would speak out — but she did. Here's what happened next.

A recent study suggests that long after people recover financially from a catastrophe, there could be a lingering impact on their ambitions and the economic choices they make.

There have been decades of progress in the fight against hunger. But the rosy numbers don't tell the whole story.

A major study in Zambia showed the benefits of just giving poor people money with no strings attached. So why isn't the government entirely convinced?

Forget food aid, cows and job training. An unprecedented 12-year experiment in Kenya tests the power of cash.

Research on child marriage has mainly focused on the toll it takes on individuals. Now, a report looks at the economic impact on poor countries.

It's the Green Climate Fund. It was called out last week by President Trump, who said he would cut off U.S. "billions." What does it do, exactly, and what will be the impact of the cutback?

It wasn't that long ago. Just last fall. Nearly 45,000 people signed a petition in protest. Then again, the Amazon warrior has always been a controversial figure.

The administration wants to reduce the current $8.7 billion global health budget by about 26 percent. Family planning programs would be the hardest hit.

The president has long looked to China and India as a model for galloping economic growth. Here's why it's unlikely that the U.S. could grow even half as fast.

The administration claims the U.N. population agency supports China's "coercive" abortion policies. UNFPA calls the claim "erroneous."

When the president took action to block U.S. foreign aid funding of groups linked to abortion, a Dutch government official started fundraising.

Just as we rank hurricanes and earthquakes, officials have developed a five-phase scale to rank food crises.

A new report finds that remittances by migrants from Latin America and the Caribbean topped $69 billion last year — the highest amount on record.

The new president has reinstated the "Mexico City" policy first instituted by Ronald Reagan in 1984. And this version is even broader than previous ones.

There's a growing effort to actually test whether aid programs work. But how much has it accomplished?

A new study tries to find out what happens when girls in the developing world are on their period. And it's complicated.

A new study out of Kenya looks beyond the usual questions to determine the broader impact of protecting a farmer's livestock.