The FBI said a Modesto man who espoused support for Islamic State planned a Christmas suicide attack on San Francisco's Pier 39, a popular tourist destination.
This feels like the setup of a terrifying "Why did the alligator cross the boat?" joke.
The rise of terrorism changed the direction of airport design, creating barriers to access around areas that had been enjoyed by generations of enthusiasts.
The group’s constantly evolving propaganda is one of the few tools left for it to spread its toxic message and inspire lethal attacks.
By the mid-1930s, KKK hero tropes had been absorbed into popular culture, distanced from their white supremacist roots, and reproduced as generic formula in pulp adventure fiction.
Here's what we know so far about Saipov and the visa program that he used to immigrate from Uzbekistan.
An emerging theory among investigators is that the U.S. soldiers killed in Niger were set up by terrorists, who were tipped off they'd be in a local village.
A federal jury has convicted Ahmad Khan Rahimi of all counts related to last fall's bombing in New York City's Chelsea neighborhood and two related plots.
Papers that the Pentagon and CIA were forced to declassify as part of a lawsuit brought by victims reveal the fullest picture ever of the secret "enhanced interrogation" regime and the men who designed it.
More facts are emerging about the man who killed over 50 people in Las Vegas earlier this week.
Chad, a staunch US ally that has sent troops to battle al-Qaeda in the Islamic Maghreb and Boko Haram, was a surprising addition to Trump's travel ban.
The latest episode of Slate's series about Islamophobia in America takes on the identity crisis common among young Muslim Americans — which pushes a few of them into radicalization.
The explosion sowed panic, disrupted service and drew a heavy police response; at least 22 people were hospitalized.
"I knew to report the unattended bag I saw. But why wasn't I also encouraged to speak up when I saw my government destabilizing the Middle East which lead to increase terrorism in the first place?"
ICE's Homeland Security Investigations division hosted an "industry day" for technology companies interested in building a new tool for "extreme vetting."
The Transportation Security Administration, the only line of defense between us and an influx of Satanic fidget spinners, just announced new airport screening policies that are designed to make...
Josh Walker went to Syria to fight ISIS. When he returned home to Britain, he faced a legal quandary that could put him in prison for 10 years.
The social network has detailed its fight against jihadist groups but has nothing to say about domestic radical groups.
Trump confidant Sebastian Gorka was taking money from the FBI — and declaring that the fight against Islamic radicals was "a holy war on our side," too.
British police have admitted that one of the London Bridge attackers was on their radar but said an investigation into him had been downgraded.
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