ULA's Vulcan is replacing the company's workhorse Atlas 5 rocket and the already-retired Delta 4 family of launchers.

American officials quickly discovered a major snag in planning for the summit: summertime is peak tourist season in Alaska, ...

WASHINGTON (AP) — Mexico has expelled 26 high-ranking cartel figures to the United States in the latest major deal with the Trump administration as American authorities ratchet up pressure on criminal ...

A top US commander's comments on 'strategic flexibility' show Washington wants Seoul to help counter China and Russia, ...

The United States has sanctioned an armed group accused of illicit mining in the Democratic Republic of the Congo (DRC), as ...

Hundreds of National Guard troops might be stationed in two states and serve as a quick reaction force that could respond to ...

The commander of the Army Space and Missile Defense Command last week said the service plans to increase its overall air and ...

Lieutenant-General Apty Alaudinov highlighted the significance of a potential meeting between the US and Russian presidents ...

Seth Harp’s new book, “The Fort Bragg Cartel,” goes deep into the forming of the Joint Special Operations Command and its ...

Trump says he's taking over the D.C. police, but the District of Columbia operates differently from other American cities, including Atlanta.

South Korea’s new President Lee Jae Myung will travel to Washington later this month to meet with U.S. President Donald Trump ...

The Los Angeles field office director for the Department of Homeland Security testified on Monday that Immigration and ...