Ebola returns to Liberia
Two months after Liberia was declared free of Ebola, three confirmed cases of the deadly disease have emerged…
Terror in Mali: Seven things you need to know
A hostage siege at a hotel in Bamako, Mali's capital, has again drawn international attention to the West…
Why terrorists target hotels
Peter Bergen: The attack unfolding Friday at the Radisson Blu in Mali shows that terrorists are particularly interested…
Report: Boko Haram deadlier than ISIS
With its reign of terror in the Middle East, its claim to have brought down a Russian passenger…
#TERRORISM index: Nigeria’s Boko Haram ranked ahead of ISIS in killings
TERRORISM: Nigeria's Boko Haram ranked ahead of ISIS in killings. Global terrorism-related deaths are on the rise,…
Has a Nigerian professor solved 156-yr-old puzzle?
Nigerian professor Opeyemi Enoch Wednesday insisted he has found a solution to the complex Riemann Hypothesis.
How to defeat ISIS
CNN Opinion asked a range of contributors for their take on last week's attacks in Paris and how…
International search for Paris suspect
The search for the perpetrators of the Paris attacks has led authorities across the Belgian border to an…