Dissidents in Colombia's FARC guerrillas are threatening to renew armed struggle three years after signing a landmark peace deal. Here, experts explain the history of Colombia's fragile peace process.
Meet the unsung aid workers who put their lives on the line during war and natural disaster to make sure the dead are treated with respect – and that their grieving families get closure.
A group of scientists want a new Geneva Convention to safeguard the environment during wars and conflicts. We already have such rules, but they're inadequate, inconsistent and unclear.
The skills that former child soldiers gain in wartime can be useful as they reintegrate into society.
Iraq beat the Islamic State. Now, its Shia government is jailing and even executing all suspected terrorists – most of them Sunni Muslims. The clampdown may inflame a centuries-old sectarian divide.
Strikes and rallies have gripped Colombia for months. That's bad news for its new government but a sign of progress in a country that had little tolerance for dissent during its 52-year civil war.
In the most peaceful election in their modern history, Colombians have elected as their next president a conservative who will renegotiate the country's fragile 2016 accord with the FARC guerrillas.
Those tasked with sustaining peace must address economic, social and cultural rights to stand any chance of succeeding.
The death of Mozambican opposition leader Alfonso Dhlakama could affect the progress made to end hostilities in the country.
According to the UN, world hunger is rising for the first time in 15 years. The answer is not only growing more food, but also buffering small-scale farmers against climate change and armed conflicts.
Meet the Commoners' Alternative Revolutionary Force, Colombia's newest political party. To move beyond its violent past, the new FARC will need a charismatic leader who can win over voters.
Colombia's FARC guerrillas have officially laid down their weapons. How will these former fighters fare in the group's transition from Marxist rebellion to political party?
Delays in setting up disarmament camps for former guerillas have cast doubt on the Colombian government's commitment to peace. But the real problem is its national history.
Three key rulings by the UK Supreme Court and their legal implications.
With northern Mali mired in conflict, increasing instability in the centre of the country is worrying observers. The attitude of the Malian authorities holds the key to defusing these tensions.
Scholars share their research with former combatants in Colombia, after a majority of Colombians voted against a peace deal. Can understanding reintegration help peace negotiations move forward?
Under proposed changes, the war crime offence of murder, in a non-international armed conflict, would not apply to collateral civilian deaths resulting from an otherwise lawful attack.
The rules on armed conflict on Earth are a major source of restraint on military operations. But the rules on the use of weapons in outer space are far from clear. We need to change that.
Quality higher education is crucial for recovery, peace-building, economic development and stronger governance in post-conflict societies.
On defence, the Labour manifesto is full of fine words, but lacking in substance.