Genetics study confirms a social cycle that helps infection to spread in South Africa.
Grantee Jane Qiu speaks to Nature’s Adam Levy about how the effects of last year's earthquake in Nepal could be felt for years or even decades.
A year after a devastating earthquake triggered killer avalanches and rock falls in Nepal, scientists are wiring up mountainsides to forecasts hazards.
The island nation of Kiribati is one of the world's most vulnerable to rising sea levels. But residents may have to leave well before the ocean claims their homes.
One of the most devastating consequences of the Ebola outbreak will be its impact on maternal health.
Sierra Leone is handing out malaria drugs because malaria looks like Ebola at first—but the drugs' side effects may thwart the effort.
Despite working to save others from the disease that nearly claimed their lives, health care workers who survived Ebola are feared and ostracized by their communities.
A frontline report from Sierra Leone examines efforts to change hearts and minds in West Africa’s villages.
Journalist Erika Check Hayden is in Sierra Leone tracking the Ebola epidemic. This is her diary.
Several African nations could strike a major blow against malaria by sacrificing some older drugs. Can they make it work?