The Sahara is very likely the world's largest ... Dryas cool period (12,700–11,500 years ago), also apparent in the Niger River outflow record as an interval of reduced flow (higher salinity ...

DAKAR, Senegal -- An attack by a jihadi group on a village in western Niger has killed 44 civilians, the country's Interior Ministry said.

Mansa Musa ruled for the next 25 years and used Mali's military might to control the trade routes of the Sahara and the Niger River, greatly expanding the wealth and power of the empire.

The idea may seem wild: digging a canal from the Atlantic, somewhere south of Morocco, to flood part of the Sahara and create an inland sea. Yet, this project has been seriously considered several ...