Trying to flee the worsening drought, he trekked thousands of kilometers with a herd that once numbered 1,200.

Floods in Zimbabwe have killed 246 people and left nearly 2,000 homeless since December, according to the government.

The International Organization for Migration warns that many of the millions of people facing famine in three African countries and in Yemen risk starving to death without urgent action to help the

Improving housing conditions may provide a boost to malaria prevention at a time when other efforts may be losing steam, according to new research.

Cameroon has burned more than three tons of pangolin skins and scales seized from smugglers and destined for Asian countries.

Curbing outdoor air pollution may help prevent 2.7 million premature births a year, a condition that threatens children's lives and increases their risk of long-term physical and neurological probl

Two vaccine candidates have been shown to be effective — in one case, 100 percent effective — in preventing malaria.