When hackers began slipping into computer systems at the Office of Personnel Management in the spring of 2014, no one inside that federal agency could have predicted the potential scale and magnitude of the damage.
The United States is deploying soldiers to the Middle East after protesters attacked the US Embassy in Baghdad on Tuesday in response to airstrikes in Iraq and Syria conducted by US forces on Sunday.
A brother's death. An honorable discharge. And a harrowing reentry to civilian life.
Marine commanders did not act on dozens of pleas for additional manpower, machinery and time. When a training exercise ended in death, leadership blamed the very men they had neglected.
Ivittuut held the world's largest reserve of naturally occurring cryolite, a mineral that was used in the manufacturing of fighter planes.
Carolyn Kormann reports from Okuma and Fukushima, Japan, on the aftermath of the March, 2011, nuclear meltdown at the Daiichi power plant and how residents of the area have adapted to radiation levels.
Satellites spotted strange objects at a mysterious test range airport near Area 51.
One of Poland's most beloved and honored World War II veterans was not Polish at all: he was a 500-pound brown bear named Wojtek.
Three square miles of volcanic rock on the edge of the East China Sea may one day be used as an unsinkable aircraft carrier for the United States Navy in the event of war in Asia.
For nearly two decades of war in Afghanistan, U.S. leaders have sounded a constant refrain: We are making progress. They were not, documents show, and they knew it.
After the most recent known use of the AGM-114R9X Hellfire missile, a weapon that uses blades instead of explosives to kill its target with minimal collateral damage, evidence of exactly how the bizarre weapon works has come to light.
What would happen to you if you received a draft notice and didn't respond?
The Vietnam draft lotteries functioned as a randomized experiment — which has allowed social scientists to study its life-changing effects.
It was a complicated, dangerous US operation, trying to steal the latest Mi-24 Hind gunship in 1988. Here's how it heist was pulled off.
In June 1942, Office of War Information photographer Alfred T. Palmer visited Fort Knox, Kentucky, to photograph the 1st Armored Division making ready for battle.
When violence is directed at those Trump's supporters hate and fear, they see such excesses not as crimes, but as virtues.
A glamorous socialite, fashion columnist, pianist and mother before the war, she became the only woman to head an underground resistance network against the Nazi Occupation in France.
What if you could learn to improve your thinking to make better decisions?
Spencer opposed President Donald Trump's order that Chief Petty Officer Eddie Gallagher remain in the elite SEALs.
This very short story is worth your time.
When the US entered Afghanistan, local DJs were hired to help with the war effort. And when the American military pulled out, they abandoned those voices, leaving many of them for dead.
Trump's clemencies were not just to exonerate three trigger-pullers, but to excuse all Americans.
In 1944, World War II was in full swing, and America was fighting in both the Pacific and in Europe. But on March 21st of that year, the military had another target: America itself. Or at least, a frozen river in Montana.
TTSA reportedly acquired the "metamaterials" from UFO researcher Linda Moulton Howe for $35,000 for the purposes of further study.
The ex-Titan II silo hosted a missile fitted with a nine megaton thermonuclear warhead.
Switzerland has a long-standing policy of non-interventionism — how did this become one of the bedrocks of Switzerland's foreign policy?
Aircraft carriers are some of the most expensive military operations in the world. Can a cheapo submarine wipe one out?
The notion that testosterone drives violent crime is like a zombie, a fact that seemingly can't be killed with new research.
Private explorers found the U.S.S. Grayback beneath 1,400 feet of water after realizing that a mistranslated Japanese war record had pointed searchers in the wrong direction.
He was convinced the deaths of his friends in combat were my fault. It took him years to realize this feeling had a name: survivor guilt.
Sometimes when I'm marking timber, I'll have a flashback and just stand there, staring off into space for God knows how long.
The US buried nuclear waste in the Pacific after WWII. It's close to resurfacing.
Documents obtained by OneZero show how the military captures biometric data around the world.
In the final days of World War II, as US troops advanced into Aschaffenberg, they encountered stiff German resistance in the form of something familiar.
After the horror of ISIS captivity, tens of thousands of Iraqis, many of them children, are in a mental-health crisis unlike any in the world.
The Pentagon released newly declassified video and images Wednesday of the daring, two hour raid targeting ISIS leader Abu Bakr al-Baghdadi that shows US forces taking small arms fire from multiple locations as their helicopters approached the compound.
It was the underpants that were his undoing.
Military dogs like the one made famous by the raid in Syria have a long pedigree.
An investigation of Germany's attempt to hide art stolen by Nazis.
Emerging bio-, nano-, and cyber-technologies are enabling criminals to target anyone anywhere.
On June 13th, 1940, Winston Churchill, the new prime minister, proposed creating an organization designed to wage subversive warfare.
"They're all doing it: Russia, China, Iran… They're all fighting these things called shadow wars, and they're very effective."
Why the far-right pushes the lie that black Americans fought as Confederate soldiers.
The E-6B Mercury airborne communications aircraft is built for nuclear war, but apparently not for random bird strikes.
A HuffPost investigation found that the military routinely ignores domestic violence by service members, with devastating consequences.
Sen. Lindsey Graham and retired Gen. Jack Keane went to the White House to show Trump a map of Syria to convince him to keep troops there.
America's longest war has turned Afghanistan into an unwilling testing ground for warfare technology.
Val Lauder was there when World War II started, and remembers the posters that reminded stateside Americans of the sacrifices being made overseas.
The break in fighting in Northern Syria ends today as Russian President Vladimir Putin and his Turkish counterpart Recip Tayyip Erdogan meet to discuss the future of the region.
When Willa Cather's novel 'One of Ours' was published in 1923, reception was divisive at best, and, at worst, downright sexist.
When Waad al-Kateab decided to start a family with her husband, her friends told her she was crazy. It was 2015 and they were living in Aleppo.
How a bleeding-heart idealist with a Kalashnikov and a respectable IMDb page got himself exiled from America.
With the military budget of the United States set to rise once again and no end in sight for the War in Afghanistan, the data visualization experts at personal finance site HowMuch.net calculated the cost of each American conflict in history and compared the price tag of each.
On September 24, 1938 the three women took off from an airfield in Shchcyolkovo near Moscow, in a Tupolev ANT-37, which normally had a range of about 5,000 km or 3,100 miles. Their destination was Komsomolsk-on-Amur over 3600 miles away.
The US Army is about to conduct the first tests related to its Strategic Long Range Cannon, a weapon designed to hit targets 1,000+ miles away.
Underscoring the fast-moving diplomacy around the White House's attempt to get Turkey to call a cease-fire in Syria, President Recep Tayyip Erdogan abruptly reversed course Wednesday and said he will meet Vice President Mike Pence and Secretary of State Mike Pompeo when they arrive in Turkey on Thursday.
On the World War II hideout located in an empty Tube station.
