Onchocerciasis, or river blindness, is spread via the filarial parasite Onchocerca volvulus transmitted through blackflies.

The common hippopotamus can spend up to 16 hours a day immersed in rivers and lakes. Lumbering out of the water at night, these herbivores graze on tropical grasses and consume 80 to 100 pounds in one ...

Explore how Africa’s colonial borders still shape politics, conflicts, and identities across the continent today.