U.S. Border Patrol agents in California arrested two men in two months who turned up on the terrorist watch list.
The couple planned to travel to Yemen aboard a cargo ship in an attempt to stay away from law enforcement, according to a federal prosecutor.
Violent extremists motivated by political grievances and racial biases pose an “elevated threat” to the United States.
Saudi Arabia’s crown prince likely approved the killing of U.S.-based journalist Jamal Khashoggi inside the Saudi consulate in Istanbul.
An Iraqi militia official says a U.S. airstrike in Syria has killed one militiaman and wounded a number of others with a powerful Iranian-backed Iraqi group.
The Department of Homeland Security issued a national terrorism bulletin Wednesday warning of the potential for lingering violence from people motivated by anti-government sentiment after President Joe Biden's election, suggesting the Jan. 6 riot at the Capitol may embolden extremists and set the stage for additional attacks.
President Joe Biden has directed law enforcement and intelligence officials in his administration to study the threat of domestic violent extremism in the United States, an undertaking being launched weeks after a mob of insurgents loyal to Donald Trump stormed the U.S. Capitol.
Parts of State Route 79 in the southeast Valley were shut down for an emergency situation after police said a man was making bomb threats at an Immigration and Customs Enforcement building.
The members of the Yemeni government’s newly formed Cabinet, including Prime Minister Maeen Abdulmalik Saeed, were greeted with a loud explosion soon after its plane landed Wednesday in the city of Aden, in what an official is calling a "cowardly terrorist attack carried out by the Iranian-backed Houthi militia."
A Nevada man was sentenced in Arizona after pleading no contest to felony terrorism, weapon and unlawful flight charges.
On Pearl Harbor Day, elderly survivors stayed home to pay respects from afar due to the coronavirus pandemic.
When the Japanese bombed Pearl Harbor on Dec. 7, 1941, it became one of the worst attacks ever carried out on American soil and changed the course of the country, spurring the United States' entry into WWII.
Authorities say three suspects involved in a shooting spree that killed one person in Nevada were caught in Arizona.
The painting is a tribute to Kayla Mueller and the U.S. servicemembers who killed Abu Bakr al-Baghdadi, the Islamic State leader who held her captive.
The Justice Department is preparing to announce charges against two men from Britain who joined the Islamic State and were part of a cell that beheaded Western hostages in Syria.
U.S. Magistrate Judge Michael Morrissey concluded Ali Yousif Ahmed Al-Nouri is at risk of fleeing and poses a danger to the community.
Thousands of firefighters and emergency medical personnel responded to Ground Zero, including more than 300 specialized canine search and rescue teams.
More than 2,600 people perished at the World Trade Center, 125 people died at the Pentagon and 256 people died on four airplanes on 9/11.
It’s been 19 years since the United States became "a nation transformed."
Prosecutors say two members of the anti-government Boogaloo movement sought to work with terrorist organization Hamas as part of a plot to overthrow the U.S. government in the aftermath of George Floyd's death.