Post-traumatic stress disorder is far less common than many assume, thanks to human resilience.
Known as the Stingray, the liquid blade is already saving the lives of American soldiers in Afghanistan.
These worms have organized a caste system that includes legions of hungry soldiers to defend the colony.
Forget astronauts. The experiences of combat soldiers can teach the trapped miners even more, say psychologists.
Viruses have plagued humanity for millennia, but now they've been tapped to build batteries that can be sprayed onto uniforms.
A new study finds that veterans' serious mental health problems get worse instead of better a year after they leave battle.
Archaeologists believe they have found the world's best-preserved gladiator cemetery in York. All of the skeletons appear to have suffered from violent deaths.
Although they aren't yet advanced enough to replace field combatants, robots can perform routine tasks that would otherwise put troops in harm's way.
Thanks to the efforts of modern-day supporters, Alonzo Cushing will be honored 147 years after he stood his ground at Gettysburg.
Thirty-five years ago, the city formerly known as Saigon fell, marking the end of the Vietnam War.