Leishmaniasis, a disease spread by a parasite carried by sand flies, is generally considered a tropical disease. Now, thanks to climate change, new research finds it's endemic to the United States.

The grim news of the mass shooting in Lewiston, Maine — and a spate of shootings over the weekend — has again cast a spotlight on the gun violence death rate in the U.S..

So what is a walking school bus? A new children's book set in South Africa tells the story of some intrepid youngsters who figured out a way to stay safe during their long walk to class.

It's not a shark. It's not a lion. It's not a snake. And all you'll need is some pipe cleaners, sunglasses and gossamer wings.

As the Israel-Hamas war continues, hospitals in Gaza are crowded and chaotic. Pregnant women face awful conditions: An emergency C-section may be conducted by the light from mobile phones.

Inspired by a childhood in sun-baked Ethiopia, Heman Bekele wanted to tackle skin cancer. He came up with a topical cancer-fighting soap, and it won him the 3M Young Scientist's Challenge.

The Israel-Gaza conflict is likely to leave people in the region struggling with trauma-related mental health symptoms for a long time to come.

In Kenya, someone with symptoms of dementia may not be able to get a diagnosis — leaving both patient and family with no idea of what is going on. A program in Kenya is trying to change that.

A series of devastating quakes has taken thousands of lives and left thousands more homeless. Aid specialists say the Taliban lacks the equipment and experience to help the survivors.

Scientists studying the causes of long COVID symptoms are proposing a surprising pathway. Their research weaves together several prominent lines of evidence on what might be driving the condition.

A deal struck Thursday is set to allow humanitarian aid parked in Egypt into Gaza. How much and how soon food would arrive remains uncertain.

More than a million women in Bogotá, Colombia, do unpaid family caregiver work full-time. The country has launched a groundbreaking program called "Care Blocks" to ease their burden.

After the brutal attack on Israel by Hamas militants, Israel has begun air strikes on Gaza. The World Health Organization warns that the health system there is at a breaking point.

The team is called Las Amazonas de Yaxunah. They've defied gender stereotypes to become sports heroes. And these women and teens play the game wearing traditional Maya dresses — and no shoes.,

In his new book, 97-year-old Robert Jay Lifton shares the "survivor wisdom" he's learned from those who've lived through terrible events — the Holocaust, Hiroshima, POW camps.