Matthew Livelsberger, the soldier behind the bombing in front of the Trump International Hotel, exchanged texts with his ex-girlfriend, Alicia Arritt, days before the bombing.

He was enrolled in a training program for special operations forces at Joint Base Lewis-McChord four years ago.

A major winter blast of snow, ice, wind and plunging temperatures in the U.S. stirred dangerous travel conditions from ...

The New Orleans attack and Las Vegas explosion, by men tied to the Army, have raised alarms about the pressures faced by ...

Russia's Navy Commander-in-Chief Admiral Alexander Moiseyev said Moscow brought in roughly 30 vessels last year.

"The FBI is leading the investigation to determine what happened," Biden said in a filmed address to the nation.

While it has primarily been known in the U.S. as Nissan, this carmaker built vehicles under the Datsun brand for decades.

The FBI on Sunday released new details about the travels of 42-year-old Shamsud-Din Jabbar, the man authorities say carried out the deadly New Years' terrorist attack in New Orleans.

In an interview on ABC's "This Week," Homeland Security Secretary Alejandro Mayorkas warned of a "very difficult threat ...

The terror attack in New Orleans that killed 14 people is considered the deadliest Islamic State-inspired assault on U.S.

The US Army has chosen BAE Systems to develop a prototype base defense artillery cannon, focusing on countering unmanned and ...

The State Department has informed Congress of a planned $8 billion weapons sale to Israel, U.S. officials say, as the ...