ISIS says its members are responsible for a deadly suicide bombing on a Shiite mosque in southern Afghanistan.
The Supreme Court sounds ready to reinstate the death penalty for convicted Boston Marathon bomber Dzhokhar Tsarnaev.
The Taliban have ruled out cooperation with the U.S. to contain extremist groups in Afghanistan.
A woman accused of having bomb-making materials at her parents' home in Wimauma is expected to make a plea deal that includes spending time in a mental health facility.
The Biden administration says it will enhance its analysis of domestic terror threats in the U.S. as part of a new strategy to combat the growing threat.
A major pipeline that ships nearly half of the fuel in the Northeast had to shut down due to a hack this weekend. It's not clear who carried out the attack, but some say it's similar to a hack at an Oldsmar water plant.
Hundreds of customers, as well as the local airport, were impacted by an AT&T outage caused by the explosion that took place in downtown Nashville early Christmas morning, according to a statement from the company.
Federal authorities expressed increased alarm Thursday about an intrusion into U.S. and other systems around the globe that officials suspect was carried out by Russian hackers.
Cholo Abdi Abdullah pleaded not guilty during a brief court appearance Wednesday and was ordered held without bond.
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.
The arrest of a Tampa man accused of pledging allegiance to ISIS and scouting potential attack sites throughout Tampa Bay left neighbors stunned.
Cell-phone evidence was discovered by federal investigators that established the gunman's ties to Al Qaeda, not only before last year's deadly attack at Naval Air Station Pensacola, but before he arrived in the U.S.
Agents arrested four "racially motivated violent extremists," including a Spring Hill, Florida man, in connection with a coordinated effort to threaten and intimidate journalists and activists, the Department of Justice announced Wednesday.
President Donald Trump tweeted a photo of the K9 reportedly injured during a mission to kill a leader within the terrorist organization ISIS.
A woman's journey toward physical and mental recovery, for herself and her son, after the Boston Marathon bombing, brought her to create a foundation designed to help those suffering from PTSD.