Obama's trip to Kenya and Ethiopia featured an appearance at the 6th Global Entrepreneurship Summit.
This week we see what our money bought at Nkandla - or not, lion killer Walter Palmer enrages well, everyone, and Obama side-eyes the likes of Mugabe.
A look back at some of the mass shootings in recent US history.
A Nasa spacecraft has sailed past Pluto, capping a journey of 4.88-billion kilometres that began nine and a half years ago.
The brain behind SpaceX and Tesla Motors, South African-born entrepreneur and inventor Elon Musk is one of the world's most powerful people.
Several leaders, including US President Barack Obama, will visit Saudi Arabia's new King Salman after the death of his predecessor, King Abdullah.
US President Barack Obama warned the Republican-led Congress to end their resistance to higher taxes on the wealthy, saying he won't back down.
Republicans look to challenge President Barack Obama on energy, Cuba and immigration at the upcoming US Congress this week.
Veteran Washington insider, Ashton Carter, is an independent thinker whose opinions have not always aligned fully with those of the president.
A US jury has found that white police officer Darren Wilson acted in self defence when he shot and killed black teenager Michael Brown.
The world's 20 major economies have agreed to a plan aimed at pushing their combined growth beyond the 2% they were initially targeting.
Midterm poll defeat will rattle presidential heir-apparent Hillary Clinton.
Obama may struggle to persuade African leaders to step down timeously at leadership summit.
As people celebrate the Chinese New Year and Latin America's carnival, Barack Obama will give an update on the State of the Union in the week ahead.
The White House has defended drone strikes against al-Qaeda, insisting they complied with US law and the Constitution, even if Americans are targeted.
After an election race filled with suspense, Mitt Romney's supporters were left disappointed as Barack Obama secured another term as US president.
Impressive poll results reveal that the Republican is way ahead of his fellow election contenders.