Though British officials have foiled far more terrorist plots than they’ve missed, the United Kingdom is on edge after its fifth terrorist attack this year alone.
The September 15 London train bombing that injured 30 was the UK's fifth terror attack this year. A security expert looks at why Europe has been seeing more frequent and bloodier jihadist assaults.
A 1932 photograph showing the minaret of the Great Mosque of al-Nuri, Mosul.
Library of Congress Prints and Photographs Division Washington, D.C.
As Mosul rebuilds, its history is a reminder that Islam is not a rigid rulebook of regulations and prohibitions, but a complex religion that has often embraced many traditions.
Migrants attempting to jump the fence between Morocco and Ceuta, watched by Moroccan police in December 2016.
Tensions are mounting along the EU's only land borders with Africa on the Moroccan coast.
Giles Keyte for Channel 4
Criticisms that Peter Kosminsky's drama about Islamic State is propaganda are wide of the mark.
IS supporters are turning away from Twitter.
New research has tracked how quickly Twitter accounts linked to extremism are being suspended.
A makeshift memorial to the victims of the terrorist attack in Barcelona. Police killed five men August 18 believed to have been involved.
AP Photo/Manu Fernandez
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.
What’s the role of faith in service?
European Commission DG ECHO
Religious values, deeply rooted in texts, serve as an important motivator for giving. Religious Americans volunteer more, give more, and give more often.
A memorial on Las Ramblas following the attack.
A toxic combination of history and social tension makes Spain fertile ground for extremist recruitment.
La Rambla runs right through the centre of Barcelona.
The boulevard runs through the heart of the city, drives its tourist economy and acts as a symbol of life in Catalonia.
Spain plays a relatively inconsequential role in the fight against Islamic State.
The location and targeting of Islamic State's latest attack, on the Spanish city of Barcelona, deviates from the group's previous efforts.
At least 16 people have died, and scores more have been injured, in a terror attack on Barcelona’s Las Ramblas strip.
Barcelona 2017, London 2017, Berlin 2016, Nice 2016. In all of these cases the weapon of choice was a vehicle, driven at speed, into crowds innocently going about their daily business. Barcelona is just…
The offensive to retake Mosul from Islamic State has damaged thousands of structures in the historic Old City.
The West needs to push for local action against Islamic State's reign of terror in the Middle East. States in the region must find solutions to the conflicts to bring peace and stability.
The war in Syria has been responsible for many of the high number of deaths in wars in recent years.
To maximise the long-term effectiveness of Australia’s foreign policies, there would be great value in strengthening our conflict prevention and resolution capabilities.
Iraqis celebrate the recapture of Mosul from Islamic State.
While Islamic State might be taking significant blows, including the recapture of the key Iraqi city, there is no reason to expect the violent and radical group will disappear.
The remains of the University of Mosul destroyed during a battle with Islamic State militants, in April 2017. South Africa offers lessons in rebuilding.
South Africa's peaceful transition from apartheid to democracy holds crucial lessons for a post-Islamic State Iraq.
A Crusader Castle decoration stone at the Arabic Fortress Citadel in Kerak, Jordan, built in 1142.
Islamic State propaganda uses a narrative of centuries-old 'crusader' aggression.
Iraqi prime minister Haider al-Abadi walks through a market in Mosul on July 9.
Iraqi prime minister office handout/EPA
Iraqis are proud of the victory in Mosul, but worried about the huge tasks ahead.
The terrorist group is trying to destroy a religious minority.
Supporters of Jakarta’s former Governor Basuki ‘Ahok’ Tjahaja Purnama.
AP Photo/Dita Alangkara
An expert on Islam and democracy examines the threat to the world's largest Muslim majority country.
A bus displaying the Pak-China friendship sign, along a road in Karachi, Pakistan.
Are Chinese lives the price to pay for doing business in Pakistan?