Extremist attacks in the Sahel have been increasing. Last week, Islamic militants attacked Bamako, the capital of Mali.

As torrential rains across Central and West Africa have unleashed the most catastrophic floods in decades, residents of ...

Iron carried in clouds of Saharan dust blown across the Atlantic Ocean is increasingly available to tiny life forms the ...

The severe disease of the face has finally been recognized as a neglected tropical disease. A heightened focus could help to ...