The bloodiest conflict on American soil ushered in a new era of medicine.
Experts say that hyping incidents as warfare distracts computer security champions from safeguarding power grids, financial systems and medical networks.
Unrest has triggered more unrest especially since mass communication has allowed word to spread quickly.
Outlawed as "degenerate art" by the Nazi, a treasure trove of sculptures was found buried in rubble.
Post-traumatic stress disorder is far less common than many assume, thanks to human resilience.
Could 2,000 years of foreign invasions, rebellions and civil war really be boiled down to weather patterns?
Gen. McChrystal was not the first general to be dismissed by a president. And due to the U.S. military and political systems, he won't be the last.
Chimps, like humans, sometimes kill their neighbors for the spoils of land, improved security, extra food and and better access to females.
A new study finds that veterans' serious mental health problems get worse instead of better a year after they leave battle.
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.