If you are planning a trip through several cities and want to find the shortest route, you resort to algorithms, a well-defined sequence of deterministic operations. This article accompanies the ...

Addis Ababa says weapons are reaching Fano factions from across the northern border, as relations with Asmara slide from wartime co-operation back towards suspicion – and as a domestic insurgency ...

President Donald Trump’s offer to settle a dispute between Egypt and Ethiopia over Nile River waters has drawn thanks from Egyptian President Abdel Fattah el-Sissi, as the two African nations continue ...