New Ebola mutation may infect patients without making them ill, making transmission more likely
Before and after images show devastation of 'catastrophic proportions' and one town almost wiped off the map
Number of new cases of Ebola at its lowest levels in months, but people are still dying
Lack of international support, political inertia and inherent corruption are to blame for bloodshed
Most people trying to cross the Mediterranean without papers come through the lawless north African state of Libya
Death toll from Ebola continues to rise as the organisation admits it 'failed to see the writing on the wall'
Conservationists warn that giraffes are increasingly being targeted for their 'deliciously sweet' meat
UN chief says Ebola could still spread beyond West Africa, where it kills 200 people per week
Early human tests suggest the drug is safe and may help immune systems fight Ebola, but more trials are needed
West Africa's Ebola epidemic is by far the most serious outbreak of the deadly virus
'Black Death' disease kills 47 people and spreads to the densely populated capital of Antananarivo
Burial workers discard bodies in protest over unpaid wages as government admits money has 'gone missing'
As the battle for succession accelerates, what do we know about one of Africa's longest serving leaders?
Biohazard suits are in short supply causing prices to rise as a result of 'increased anxiety' in the US
The heritage and lifestyle of the pastoralists will be threatened, Masai activists said
Tongue-in-cheek video pokes fun at the rise in 'voluntourism', but the message is a serious one
Boko Haram suspected of murderous attack by bomber who dressed as a schoolboy to get inside building
Yes and no: Tunisia's politics are not just a battle between religious hard-liners and progressives
Oscar Pistorius has been jailed for the killing of Reeva Steenkamp, the model, law graduate and domestic violence campaigner
Deal to free more than 200 schoolgirls kidnapped in April is in doubt after latest abductions and attacks