Educators worldwide are facing the agonizing decision of whether to resume in-person instruction while there’s still no cure for the new coronavirus. Countries including Denmark, India, and Kenya are…

Antibiotics are facing an existential crisis less than a century after their introduction. Increased bacterial resistance is putting the world at risk of an era in which routine infections are untreatable.

Boko Haram, known for mass kidnappings, bombings, and other acts of terrorism, remains an enduring threat to northern Nigeria and the Lake Chad Basin.

Nearly all nuclear weapon states, as a matter of policy, remain ready to use their weapons without having first suffered a nuclear attack.

China has become Africa’s largest trade partner and has greatly expanded its economic ties to the continent, but its growing activities there have raised questions about its noninterference policy.  …