Leaders go in and out of fashion, making statues built in their memory a tricky issue.
This is not the first time a Nigerian poll has been postponed but it is certainly the most dramatic.
African newsrooms are using media analytics to study their audiences but there's a downside.
The World Bank needs to change as part of rethinking the current world order, and giving rising powers and developing countries a meaningful voice.
Predictions suggest that Africa will suffer dramatic losses of crops and productive land as the climate warms. Perhaps adopting GM crops designed to tolerate stress can save the continent from famine.
The US has withdrawn from a major arms control treaty with Russia, and Russia followed suit. So, what was the treaty, and what happens now?
Bee brains contain less than one million neurons. Despite this, new research shows the honeybee can use symbols to perform basic maths, including addition and subtraction.
Inflation is soaring, millions are fleeing – and two politicians are seeking to lead. It's an impossible choice for an impoverished people.
A 2016 accord with the FARC guerrillas was supposed to end Colombia's 52-year civil war. But a deadly car bomb in Bogotá shows that armed insurgents still threaten the South American country.
A Cold War era treaty helped dismantle more than 2,500 missiles between the US and Russia.
Liberian President George Weah believes the current citizenship regulations in the country are unnecessarily "racist" and restrictive.
Parents have engaged in forms of 'sharenting' for generations. The digital age has complicated things, but while critics make some valid points, they're not seeing the forest for the trees.
When an elected leader turns autocratic, the economy tends to suffer. That's because, in a functioning democracy, economic policy is made jointly, with lawmakers playing a key role.
Maps can show "the big picture" to lots and lots of people in an engaging and colourful way.
Ethiopia has gone through a series of changes that's put the country on firm democratic footing.
New research suggests we may be able to forget about dark matter if we tweak the laws of gravity according to imaginary bubbles in space.
There's a strong case to ban gambling as it's rapidly becoming a public health concern in sub-Saharan Africa.
Global experts warn that excessive screen time increases the risk of obesity, low physical fitness, anxiety and depression.
The uprising in Sudan has weakened the authority of President Omar al-Bashir and political Islam in the country.
'Eat breakfast like a king' is flawed advice, new study finds.