While this latest storm over intelligence sharing is far from unique, the leaks into the Manchester attack investigation are of a different order.
Data on violent incidents in the US reveal that our focus on Islamist extremism since 9/11 may be misguided.
Research on more than 50 government investigations reveals how partisanship can get in the way of finding answers we all agree on.
Can Canada manage to keep up trade while also meeting US expectations for a safe border?
This isn't the first time the US has banned people based on nationality. History shows these exclusions have put our national security at risk and caused rifts with foreign allies.
Inaugural weekends are snapshots of the cultural and political zeitgeist. How did this year's compare to those from 2009 and 2005?
The effects of terrorism on businesses are wide ranging but some are learning how to adapt to risk and use it to their competitive advantage.
What we and other responders learned that day would go on to spark major changes in U.S. emergency response efforts.
Scarred by disastrous wars and thousands of deaths caused by terrorism, the world is still reeling from the events of September 2001.
The debates surrounding the 9/11 novel have been as informative as the novels themselves.
Even indirect exposure to the terrorist attacks of September 11 has left profound and deep impact on those too young to remember a world before that.
Tragedies involving building collapses prompt structural engineers to figure out what happened, and how to prevent it from recurring.
Are terrorist attacks also an implicit design critique of our urban landscape? An architect and urban designer suggests we can fight terrorism by not building obvious targets.
Those involved with the monumental task faced many challenges as they balanced the unquestionable priority of remembrance with the commercial task of recreating an economically vibrant downtown.
The protagonist in the novel ‘The Silent Minaret’ gets us to question that powerful political-cultural myth of being tied to nation. That is a remarkable achievement in fiction.
'American Idol' fittingly appeared nine months after 9/11 – and ends just in time for Donald Trump's rise.
Getting out in a crisis is often harder than it looks. But science can help.
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.
Representing even the Crusades as wars between Christians and Muslims is a gross oversimplification and a misreading of history.
The tactics used by America's current and potential future enemies are constantly changing. Higher education can help by producing graduates able to work in intelligence communities.