This week President Donald Trump signed an executive order extending a presidential declaration of a national emergency concerning Somalia for another year, calling the Islamist insurgency plaguing that country an "unusual and extraordinary threat" to the US.
The US military has flown an increased number of reconnaissance flights in international airspace off the coast of Venezuela during the last several days to gather classified intelligence about the embattled government of President Nicholas Maduro, according to two US defense officials.
A federal judge who ruled the Selective Service System's men-only registration unconstitutional late Friday rejected the reasoning of a 1981 Supreme Court decision, opting for the recent women's rights rationale of Justice Ruth Bader Ginsburg and the contemporary court.
Satya Nadella has defended Microsoft's $479 million contract to supply augmented reality systems to the US military that has been criticized by some of his colleagues.
Lt. Gen. Laura J. Richardson has succeeded in breaking through a few glass ceilings in the US Army. Now she's set to break a new one.
The US military's F-35B joint strike fighter conducted its first-ever airstrike on Thursday, according to the US Marine Corps and three US defense officials.
The US Air Force conducted two bomber flights this week into areas considered sensitive by the Chinese military, missions that have come amid heightened tensions between Washington and Beijing.
The US Marine Corps' stealth F-35B Lightning fighter jet could fly its first combat mission within days, according to several US defense officials.
Russia has warned the US military twice in the last week that its forces, along with Syrian regime units, are prepared to attack in an area where dozens of US troops are located, according to several US defense officials.
The Afghan government has formally called off the unilateral ceasefire with the Taliban it had announced for Eid al-Fitr, the holiday marking the end of the Muslim holy month of Ramadan.
Akiko Urasaki knows what it's like to grow up with the specter of war.
A massive US-led military exercise involving 18,000 soldiers from 19 nations, primarily NATO members, kicked off Sunday along the alliance's eastern border.
The US military has resumed air operations in the East African nation of Djibouti, a critical location in the fight against terrorism, a US defense official tells CNN.
President Donald Trump has privately floated the idea of funding construction of a border wall with Mexico through the US military budget in conversations with advisers, two sources confirmed to CNN Tuesday.
Eight people were killed and 20 others were wounded in an Iraq military operation and US airstrikes Saturday, the town's injured mayor told CNN.
Secretary of Defense James Mattis warned Friday that a government shutdown will have "a terrible" impact on the U.S. military, just hours before a deadline for the Senate to pass a bill to keep the government open.
Human error is blamed for a false alarm of a missile heading for Hawaii, but the scare left Americans wondering how the missile detection and emergency messaging systems are supposed to work -- and what went wrong.
The US military boosted its stealth attack options in the Pacific on Saturday when the amphibious assault ship USS Wasp moved into the 7th Fleet area of operations.
Approximately 50 foreign ISIS fighters have been captured in Syria and Iraq since the start of November, a US military official told CNN on Tuesday.
Amid what it sees as an increase in unsafe behavior by the Russian military, the US military is concerned it might have to shoot down a Russian aircraft over Syria if the Russian plane is seen as a threat to US or coalition forces fighting ISIS.
A US service member has been arrested following a deadly vehicle crash on the Japanese island of Okinawa early Sunday morning.
Seven US military service members were wounded Saturday in an insider attack at Camp Shaheen in northern Afghanistan, the NATO-led Resolute Support Mission said.