Members of Congress laid the groundwork for the U.S Air Force to establish a new branch of the military, known as a Space Corps, by January of 2019.
The Trump administration is eliminating funding for a U.S. nonprofit that combats white extremism.
Two senior U.S. senators are asking Defense Secretary Jim Mattis to investigate reports that U.S. military interrogators worked with forces from the United Arab Emirates accused of torturing detainees in Yemen.
A rear admiral has been named to head the U.S. Navy's investigation into a collision off Japan that took the lives of seven sailors aboard the USS Fitzgerald.
The chairman of the House Armed Services Committee says he'll push to increase defense spending by $37 billion more than President Donald Trump proposed to pay for more troops and new weapons.
The U.S. Missile Defense Agency says it failed to intercept a ballistic missile during a test off Hawaii.
A US airstrike killed Abu Khattab al Awlaqi, a senior leader of Al Qaeda in the Arabian Peninsula, and two of his close associates, US Central Command announced Thursday.
A psychologist who helped design the CIA's harsh interrogation methods in the war on terror says his participation in the program that involved torturing suspects caused him "great, soulful torment."
A U.S. Army judge won't allow lawyers for Army Sgt.
Democrats on a House committee are pressuring the White House to release a wide array of documents about the security clearances granted to former National Security Adviser Michael Flynn and Jared Kushner, President Donald Trump's son-in-law.
Lawyers for Army Sgt.
An Iranian opposition group has found 12 sites, not previously disclosed, where the Islamic government is developing ballistic missiles with the help of North Korean experts.
President Donald Trump met with his Ukrainian counterpart Tuesday amid intensifying questions over whether his administration will step in to protect partners in the face of Russian aggression.
The top U.S. military officer says Washington is working to re-establish communications aimed at avoiding mishaps involving U.S. and Russian air operations in Syria.
North Korea claimed Sunday that U.S. officials forcibly seized a diplomatic package from one of their delegations at John F. Kennedy Airport, calling it an "illegal and heinous act of provocation."
The U.S. military on Sunday shot down a Syrian Air Force fighter jet that bombed local forces aligned with the Americans in the fight against Islamic State militants, an action that appeared to mark a new escalation of the conflict.
The Department of Homeland Security says Milwaukee County Sheriff David Clarke is no longer a candidate for a position in the agency.
Gen. Jack Keane, former vice chief of staff of the U.S. Army, called the United States' 16-year-long involvement in Afghanistan a "disgrace" and said some 10,000 to 20,000 additional troops were needed to win the war.
The Pentagon will send almost 4,000 additional American forces to Afghanistan, a Trump administration official said Thursday, hoping to break a stalemate in a war that has now passed to a third U.S. commander in chief.
Travis Air Force Base northeast of San Francisco is locked down due to what the base calls a security incident.
In the basement of a largely decimated church of eastern Mosul, strewn between the bits of debris and broken glass, remains gut-wrenching reminders of ISIS’s depravity: tiny pieces of pink and yellow underwear along with flower headbands belonging to the very young Yazidi sex slaves the barbaric terrorist group took captive.
U.S. officials are blaming the North Korean government for a series of cyberattacks dating to 2009 against media, aerospace, financial sectors and infrastructure in the United States and across the world.
Defense Secretary Jim Mattis says President Donald Trump has given him the authority to determine U.S. troop levels in Afghanistan.
The United States should consider moving its air base out of Qatar, the Emirati ambassador to the U.S. said Tuesday, encouraging the Trump administration to use its leverage to further pressure Qatar over alleged support for extremism.
A military ship that sank off the coast of Southern California 100 years ago won’t be removed from the sea anytime soon, according to officials.
An Army medic who saved the lives of 10 soldiers during a battle in Vietnam will be the first person awarded the Medal of Honor by President Donald Trump.
The U.S. Army has commissioned a study to determine whether an anesthetic injection to the neck alleviates symptoms of post-traumatic stress disorder—a treatment that, if proven effective, could be a big step toward easing an affliction affecting hundreds of thousands of troops who have returned from combat.
A Senate panel has confirmed the nomination of President Donald Trump's pick to lead the Federal Emergency Management Agency.
India announced Monday that Prime Minister Narendra Modi will visit Washington later this month for his first meeting with President Donald Trump.
Retired Lt. Gen. Samuel Wilson, who had a long military and intelligence career and was president of Hampden-Sydney College from 1992 to 2000, has died, the college announced.
Three Army Rangers were killed Saturday and one wounded when an Afghan army solider opened fire on them in an attack in eastern Afghanistan for which the Taliban claimed responsibility, officials said.
An Afghan official says that two U.S. soldiers have been killed after an Afghan army solider opened fire on them in eastern Afghanistan.
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President Donald Trump is ramping up pressure on Qatar to stop what he calls a "high level" of financial support of terrorism, even as Secretary of State Rex Tillerson tries to calm the worst diplomatic crisis in the Persian Gulf in years.
A U.S. Army colonel, along with his wife and a former defense contractor have been accused by a federal grand jury of a bribery scheme to defraud the government of more than $20 million.
A recent graduate of Crown Point High School in Indiana was forbidden from walking in his Marine uniform at the ceremony.
Attorneys have filed a lawsuit in federal court, seeking to compel two architects of CIA interrogation tactics to provide information to Polish officials who are investigating a former CIA jail in Poland.
Lawmakers verbally sparred with top intelligence chiefs on Wednesday after they staunchly refused to answer questions about conversations they had with President Donald Trump regarding probes into Russian activities during the election.
Assurances to an incoming president that he was not under federal investigation.
The Senate Foreign Relations Committee has approved Tennessee businessman William F. Hagerty as President Donald Trump's ambassador to Japan.
A U.S. military investigation has concluded that an American airstrike on a March meeting of al-Qaida leaders in Syria was legal and appropriate.
Beijing says it is "firmly opposed" to a Pentagon report on the Chinese military that highlighted China's construction of military facilities on made-made islands in the South China Sea and speculated that Beijing would likely build more military bases overseas.
The Senate on Tuesday confirmed President Donald Trump's pick to be the CIA's top lawyer.
The Pentagon says the U.S.-led coalition fighting the Islamic State group has struck what it calls pro-government forces in Syria.
Homeland Security Secretary John Kelly indicated on Tuesday that President Donald Trump's son-in-law and top adviser Jared Kushner and his communications with Russia are part of a wide-ranging probe by the Justice Department's special counsel.
Russia's defense ministry says one of its fighter jets has intercepted an American strategic bomber that was flying near the border of Russian airspace.
Senate Democrats are pressing the businessman President Donald Trump nominated to be ambassador to Japan for answers about the vetting of former national security adviser Michael Flynn, according to congressional aides.
South Korea's presidential office says a senior defense official has been suspended for deliberately failing to report the arrival of several more launchers for a contentious U.S. missile defense system meant to deal with North Korean threats.
President Donald Trump is leaning against invoking executive privilege to try to block fired FBI Director James Comey from testifying about their private conversations regarding an investigation into Trump's former national security adviser, two administration officials said Sunday.
President Donald Trump, in a flurry of Sunday morning tweets on the London attacks, criticized the city's mayor and bemoaned what Trump described as political correctness when it comes to national security.