Schematic diagram of an aggregate made up of linked users, with the mathematical equation that describes this online pro-ISIS ecology.
A new mathematical model of ISIS supporters' online behavior provides insights into how cyberactivity relates to real-world attacks.
Flags at the Washington Monument fly at half staff to honor those killed in Orlando.
BU researchers on the prevalence of mass shootings and gun violence, why parents often underestimate how easily their kids could access a gun and why we know so little about how to solve this problem.
From Twitter, to Facebook, to online gaming; radical groups use a vast range of tools to recruit new followers to their causes.
Antiquities seized in a raid on Islamic State fighters in Syria were returned to the Iraqi government by the United States.
Profit estimates have ranged from $4 million to $7 billion. But with the Paris attacks costing only $10,000, does a number even matter?
Mock suicide bomber in Trafford Centre.
We often overlook how languages gets caught in political crossfire - and not only in relation to Muslims.
Ready for war: American and South Korean soldiers in April 2016.
Only 16 percent of Americans see North Korea as the US' "greatest enemy." Here's why that percentage should be much bigger.
Remembering ISIS victims at the U.N., November 2015.
The urgent need to respond to ISIS has redefined the use of "self-defense" to include attacking a nonstate threat in another country. But what are the implications of this? change?
Shattered windows after multiple explosions at a Brussels airport in Zaventem.
The deadly terror attack in Brussels raises the issue of safety and security at airports. But this is more about our approach to risk in any areas where people are known to gather.
Rome’s Trevi fountain lit up with the Belgian flag. Why do some violent acts prompt global artistic memorial, but not others?
From Tintin weeping to spotlit buildings, images are rapidly circulating on social media as a way of comprehending the Brussels bombings. But where was the cartoon for those who died in Ankara? Are some tragedies "ungrievable"?
Without the perfect-storm conditions of post-invasion insurgency, this most potent expression of al-Qaedaism yet would never have risen to dominate both the Middle East and the world in the way that it does.
The final article of our series on the historical roots of Islamic State examines the role recent Western intervention in the Middle East played in the group's inexorable rise.
The Free Syrian Army standing lookout.
On February 11 a Syrian ceasefire was signed in Munich. Few are optimistic it will hold. Why? Because, argues one Middle Eastern scholar, world leaders are ignoring key realities.
The site of an al-Qaida attack in Ouagadougou, Burkina Faso in January 2016.
Western commentators tend to see ISIS and al-Qaida attacks as fueled by ideology. But in Africa, such attacks are more often turf wars in the illicit drug trade.
The unfolding information about the Zika virus and saddening images of babies infected with microcephaly should really scare us all. The disease has spread “explosively” throughout the Americas, with 32…
Lining up potential pitfalls: nonexperts and computers may misinterpret the vertical line in this image as a natural feature rather than a result of a mosaic compilation of multiple satellite images.
Expert image analysts have an important role to play, even in an age of computer interpretation and crowdsourcing.
Entrance to the gate of Nimrod, destroyed by the IS group and digitally reconstructed as part of Project Mosul.
Model by ruimx from photos at projectmosul.org
Researchers are making 3D scans, architectural plans and detailed photographic records of cultural heritage sites around the world, knowing they could be destroyed at any time.
Refugees walk through a frozen field after crossing the border from Macedonia, near the village of Miratovac, Serbia.
In contrast to what we have been taught - or teach our students - we are living in an increasingly hybrid world.
Can Turkey still straddle two worlds?
Turkey is the one of the U.S.'s most important allies in the Mideast, but recent actions such as the downing of a Russian fighter raise important questions about its reliability as a partner.
A masked face but experts still have his voice to go on.
When facial recognition isn't possible, it's time to bring in the voice recognition experts.
A Syrian refugee.
A look back at a year marked by terrorism, gun violence and clashes between police and African Americans.
A Christmas service in Manhattan.
Mike Segar /REUTERS
How should we celebrate Christmas during a time when religious extremism inspires terrorist attacks and young people are abandoning the church?