A vigil for the victims of an attack at Manchester Arena on May 23, 2017.
A professor at Georgetown University answers three common questions about terrorism and political violence.
Police after the London Bridge attack on June 4, 2017.
Anti-terrorism policy is too often adopted based on very small sets of data – and fear.
A professor who once held top secret clearance explains how levels of classification work and where handling sensitive information gets tricky.
A case study from the height of the Crusades in the 12th and 13th centuries illustrates that even the most brutal leaders can choose to compromise for stability.
The Champs-Élysées was shut after a terrorist attack on April 20.
The killing of a policeman in a terror attack has heightened tensions as France chooses its next president.
An Egyptian Muslim woman holds candles in front of the Coptic Christian Cathedral in tribute to the victims of a bomb attack in Cairo on Dec. 17, 2016.
Mohamed Abd El Ghany/Reuters
Among the Christians of the Middle East, the largest number – some eight million or so – is of Egypt’s Copts. Here's their story.
The future of Syrian President Bashar al-Assad’s reign lies with Vladimir Putin’s obstinacy and ability to withstand US pressure.
To understand the complexities of the conflict in Syria and what might happen next, it helps to untangle the three layers of strife in the war-torn country.
A terrorist attack in London in March left six people dead, including the perpetrator.
Terrorism laws contain extra hurdles to secure a conviction, so prosecutors and police may prefer to charge offenders with murder or assault in some cases.
Recent attacks on Coptic churches represent a step-up from the sectarian violence of the past few decades.
President Donald Trump after speaking at Mar-a-Lago in Palm Beach, Florida.
AP Photo/Alex Brandon
Are Trump’s missile strikes against Syria constitutional? An expert on Congress and foreign policy provides a brief history of how the separation of war powers has blurred over time.
An alliance tested.
EPA/Jim Lo Scalzo/Sputnik Pool
A thawing of tensions between the two superpowers seems as far away as it was under Obama.
Military strikes against a Syrian airforce base mark Donald Trump’s first big foreign policy test as president.
The US military's attack on a Syrian airforce base sets a worrying precedent of brashness and uncertainty in how the Trump administration may handle future crises in international relations.
From the Islamic State to North Caucasian rebels and far-right nationalists, Russia is facing overlapping extremist threats.
Obsessional coverage of attacks plays into the hands of terrorism. Responsible reporting is what is now called for.
In the aftermath of Westminster, how much reporting was constructive and how much was simply publicity for terrorists?
Mosul’s residents are caught between Islamic State’s brutal violence and the amassed firepower of the Iraqi armed forces and their international backers.
Reuters/Khalid Al Mousily
The tragedy of Mosul is that while Islamic State's territorial project in Iraq is coming to an end, it is creating new problems that exacerbate the country's existing challenges.
Islamic State will change tack after Mosul, but Iraq isn't ready for what comes next.
Aftermath of the 2016 Berlin attack.
Al-Qaeda and Islamic State have both encouraged would-be terrorists to use cars and trucks as weapons.
Injured people are assisted after an incident on Westminster Bridge in London.
Was the London attacker acting alone? Was he really a soldier of the Islamic State? Research on the nature of jihadism in the West reveals possible answers.
What was supposed to be a glorious triumph for Iraq has turned into an exhausting war of attrition.
Foreign Minister Adel al-Jubeir will likely intensify the Washington charm offensive and continue to stress Saudi Arabia’s indispensability to regional security and terrorism matters.
This year will continue to be a period of great uncertainty in Saudi Arabia. After a deterioration of relations with the United States under President Obama, the kingdom will be focused on strengthening…