Ash Carter says he expects agreement from more than two dozen countries contributing to the war against the Islamic State.
The latest on the worldwide threat assessment from U.S. intelligence agencies - including the FBI's claim that encrypting phone data hinders investigations.
The Senate is considering hitting North Korea with more stringent sanctions in the wake of Pyongyang's satellite launch.
The FBI and the Office of Homeland Security are investigating bomb threats at seven Mississippi school districts.
Legislation proposed would allow the state to refuse to help resettle refugees if it can't ensure they have been properly screened.
The House Homeland Security Committee has released its February Terror Threat Snapshot. As usual, it paints an alarming picture.
The wife of a senior Islamic State leader has been charged with holding American Kayla Mueller hostage and with contributing to the aid worker's death.
After North Korea's controversial rocket launch on Feb. 7, experts are wondering if Pyongyang's missiles could reach California.
Investments into cybersecurity startups and emerging players grew by 235% over the past five years.
A Super Bowl ad promoting tourism in Colonial Williamsburg showed video of the 9/11 attacks on the World Trade Center. Not surprisingly, people reacted.