Its defeat in Syria may now give way to new dangers.
Hundreds of thousands of women helped the Nazi cause. Few ever faced justice.
Terrorist attacks and fatalities peaked in 2014, and have been on the decline since then.
With the 2018 Nobel Peace Prize awarded to two leaders who fight against sexual violence as a tool of war, we looked into our archive to find stories about those efforts across the globe.
An unprecedented onslaught from the US hasn't destroyed the terrorist organization. What is the secret of its resilience?
A tougher security approach to terrorism may be counterproductive and could even potentially undermine the supremacy of civilian government in Indonesia.
To prevent people from climbing the staircase to terrorism, educating people about the values of tolerance should start early.
The attacks show not only a shift in women's roles in violent extremism, but also the involvement of families in acts of terror.
ISIS may have lost most of their territory, but it's important to be aware that ISIS can still utilise the Internet and social media to recruit people and to spread their fantastical propaganda.
Ten months of data reveal some alarming trends.
With terrorists striking again in Spain and in Finland, one cannot help but ask -- again -- why people want to follow the Islamic State. Some new theories are emerging.
The US is doing so with increasing frequency around the world – most recently with Kurdish fighters in Syria. A scholar explains what can go wrong, and why this approach is likely to continue.
An expert explains that such claims are probably more calculated and careful than you'd expect.
Islamic State has destroyed globally-significant sites in Iraq and Syria, but not as wanton acts of destruction. Instead, they are calculated political and religious attacks.
Was this a one-off intervention – or a sign that Trump will undertake more of an effort to undermine the Assad regime?
Is Trump correct in asserting that NATO has outlived its utility? Or that NATO’s members enjoy a 'free ride' on the back of the US? A political scientist examines the evidence.
Could the president-elect and his secretary of state nominee Rex Tillerson adopt useful policies in the Middle East? A scholar sees some hopeful possibilities.
America appears as divided over key aspects of foreign policy as it is at home. So how does President-elect Trump hope to handle that divide, and what will be the major issues facing him?
What happens to the Islamic State if it loses the battle for territory in Iraq and Syria? Here's a list of ways it might go down.
Hillary Clinton and Donald Trump appeared in the 'commander-in-chief' forum this week. This roundup looks at what the experts have to say about our nation's biggest vulnerabilities.