Russia has already developed a stealth fighter, the Sukhoi 57, but has yet to build it in large numbers.
The US could resume live nuclear testing in 'months' if Trump asked for it, top defense official says
The official said his understanding was that "a very quick test with limited diagnostics" could occur "within months" if ordered by the president.
US mission to the UN accuses China of 'exploiting COVID-19' to distract from abuses in Hong Kong as tensions boil over
The US has called for the United Nations Security Council to convene over China's aggressive push for national security laws in Hong Kong.
A highway patrol cruiser parked alongside an injured protester, only to have its rear windshield shattered.
The US Army soldier who hit the suspected gunman was initially just "waiting in traffic" behind the shooting.
The US Air Force is turning cargo planes into flying munitions trucks able to unleash a mass of standoff weapons
The service has been experimenting with using cargo planes to drop lots of long-range weapons that "will bring a new dynamic to the high-end fight."
'The most heart-wrenching report I have ever read': Nurses neglected soiled residents and reused IV equipment in Canadian nursing homes
A delay in changing soiled residents led to a "skin breakdown," and others were found not to have been bathed for several weeks.
China is set to pass a draconian new law in Hong Kong that would effectively stifle all dissent. Here's what could happen to people in the city.
China wants to pass a new security law that could further punish protesters and intensify Chinese actions like tracking, torture, and detainment.
Google and Apple released their "exposure notification" API in May, and said 22 health authorities around the world have asked permission to use it.
Taiwanese missiles are increasing in range and are capable of striking cities in inner China, including strategic targets.
Trump is picking up the Bush administration's playbook to beat the drum on China, according to investigative journalist Bob Dreyfuss.
Xi Jinping urges China's army to prepare for armed combat as Hong Kong protests restart over a new bill that would strip away the city's freedoms
China is expected to pass controversial national security laws for Hong Kong on Thursday, prompting renewed protests in the city.
US military reportedly making plans for Trump that include a complete Afghanistan withdrawal before the next election
Republican Sen. Lindsey Graham, an ardent Trump supporter, cautioned that an abrupt withdrawal would be "horrendous."
PHOTOS: US Navy says a pair of Russian fighter jets 'unsafely' intercepted a US patrol aircraft, risking a midair collision
The "unsafe and unprofessional" intercept marks the third such incident involving Russian aircraft over the Mediterranean in two months.
"Can you take it off, because I cannot hear you," Trump said to the reporter, referencing their face mask.
Glenn Fine was one of several watchdogs in the Trump administration to be removed in a purge that's been compared to "Friday night massacres."
US photos show Russia allegedly sneaking warplanes into Libya to support its mercenaries and 'tip the scales' in the civil war
"For too long, Russia has denied the full extent of its involvement in the ongoing Libyan conflict. Well, there is no denying it now," AFRICOM's Gen. Stephen Townsend said.
A 1911 Colt .45 automatic pistol and other gear carried by decorated Marine Corps photographer during World War II is going up for auction.
To reduce the risk of damage, the Pentagon imposed time limits on how long F-35B and F-35C pilots can spend at supersonic speeds in full afterburner.
Chechnya suggests its warlord leader Ramzan Kadyrov is just having some alone time, as Russian media reports he is in the hospital with coronavirus
Kadyrov posted photos of himself at a gym and smelling flowers in an apparent effort to show he is not sick. However, they seem to be old photos.
'Our product is used on occasion to kill people': Palantir's CEO claims its tech is used to target and kill terrorists
Palantir CEO Alex Karp said he thinks some of the people protesting against the company make legitimate points.
The UK is reviewing Huawei's role in its 5G network again, and it's a new sign it could still cave to US pressure
The UK defied pressure from the Trump administration in January by announcing it would allow Huawei to build "non-core" parts of its 5G network.
Aside from parades, burger and beer sales, and visits to veterans cemeteries, there are certain traditions that happen every Memorial Day.
Meet the dogs of war who run into danger to find hidden bombs and the US soldiers who have their backs
"We're on the front line most of the time," an Army sergeant said of herself and her dog.
China's aggressive push for Hong Kong national security laws could lead to US sanctions, White House official says
The White House national security adviser, Robert O'Brien, said China's actions indicated the country was "going to basically take over Hong Kong."
The execution of a top Sinaloa Cartel enforcer who was recently in US custody and fled to Mexico raises the question: Who benefited from his killing?
China wants to use the coronavirus pandemic to portray itself as not only confident and and reliable.
Recruiters are still bringing in prospective troops, but social-distancing measures have reduced the number of new trainees coming in.
The US is gearing up for "great-power competition," and rivals are making sure that Venezuela will be a venue for it.
The Trump administration reportedly considered conducting the first nuclear test explosion in 28 years in response to China and Russia
The discussion did not conclude with any agreement, however, a senior administration official said the proposal is "an ongoing conversation."
"With this new advanced capability, we are redefining war at sea for the Navy," a Navy official said in a press release.
The military is looking at recruits on a case-by-case basis until health professionals come up with recommendations for the Defense Department.
Meet C-RAM, the radar-controlled, rapid-fire weapon that went viral for zapping rockets in Afghanistan
Firing 4,500 rounds per minute, the C-RAM can counter anything from enemy aircraft to missiles to rockets to artillery shells.
VIDEO: US troops trying to get to work waited in their cars as security stopped the Naval Air Station-Corpus Christi gunman
Video showed a stream of cars waiting as several gunshots echoed throughout the Texas base's entrance.
One of the communities hit hardest by the coronavirus is US military veterans, who are more susceptible to the health and economic risks it poses.
The modern military salute comes from ancient traditions.
Doctors on USS Theodore Roosevelt warned that dozens of sailors could die the same day Capt. Crozier wrote his desperate plea
'The only solution to save the lives of sailors is to immediately get everyone off the ship," four of the doctors wrote in a March 30 memo.
The combined contracts will provide radio terminals for the US Navy, US Air Force, and NATO member countries.
European allies watch with 'regret' as Trump ditches a treaty once said to be in America's 'best interest'
Much to the "regret" of allies, the US is pulling out of the Open Skies Treaty, which Jim Mattis once said was in the US's "best interests."
The Marines aren't done issuing the M27, but they're already looking to replace it with Army's next-gen rifle
The Corps is still working to finish issuing the M27 to infantry Marines by the end of this fiscal year.
The 6,000 homicides in Mexico in March and April made it one of the worst two-month periods on record.
The Air Force hopes the new engine will reduce fuel burn and the time it takes to maintain the bomber.
Researchers found North Dakota's contact-tracing app covertly sending location and advertising data to third parties
The app's maker admitted to sending data from iPhones to Foursquare, but said it wasn't being used for commercial purposes.
A new proposal would increase China's national security presence in Hong Kong and give more power to law enforcement.
Human Rights Watch said the app is "intrusive, deeply flawed, and arbitrarily punishes law-abiding people along with actual quarantine violators."
Democratic leaders urged President Trump to lower the US flag from all public buildings as the country nears its 100,000th coronavirus-related death.
A pitching carrier deck complicates things, as an aircraft on a perfect glide slope can suddenly find itself too high or (even worse) too low.
'This is insane': Democrats and national security experts sound the alarm after Trump administration declares it's abandoning a critical treaty
Meanwhile some Republicans, including Russia hawks, applauded the move and called it a "positive step."
The chase went on for more than 8 miles with the motorcycle riders weaving in and out of traffic on an Oklahoma highway.
The FBI said in a press conference Thursday afternoon that "there may be a second person of interest at large in the community."